SPDX: Convert all of our single license tags to Linux Kernel style

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/include/asm/arch-omap5/clock.h b/arch/arm/include/asm/arch-omap5/clock.h
index 3d718c0..e261bd4 100644
--- a/arch/arm/include/asm/arch-omap5/clock.h
+++ b/arch/arm/include/asm/arch-omap5/clock.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2010
  * Texas Instruments, <www.ti.com>
  *
  *	Aneesh V <aneesh@ti.com>
  *	Sricharan R <r.sricharan@ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 #ifndef _CLOCKS_OMAP5_H_
 #define _CLOCKS_OMAP5_H_
diff --git a/arch/arm/include/asm/arch-omap5/cpu.h b/arch/arm/include/asm/arch-omap5/cpu.h
index 26e7417..9e56553 100644
--- a/arch/arm/include/asm/arch-omap5/cpu.h
+++ b/arch/arm/include/asm/arch-omap5/cpu.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2006-2010
  * Texas Instruments, <www.ti.com>
  *
  *	Aneesh V <aneesh@ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _CPU_H
diff --git a/arch/arm/include/asm/arch-omap5/dra7xx_iodelay.h b/arch/arm/include/asm/arch-omap5/dra7xx_iodelay.h
index a8780ee..09edfad 100644
--- a/arch/arm/include/asm/arch-omap5/dra7xx_iodelay.h
+++ b/arch/arm/include/asm/arch-omap5/dra7xx_iodelay.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2015
  * Texas Instruments Incorporated
  *
  * Lokesh Vutla <lokeshvutla@ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _DRA7_IODELAY_H_
diff --git a/arch/arm/include/asm/arch-omap5/ehci.h b/arch/arm/include/asm/arch-omap5/ehci.h
index 63aaa02..1790b92 100644
--- a/arch/arm/include/asm/arch-omap5/ehci.h
+++ b/arch/arm/include/asm/arch-omap5/ehci.h
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com*
  * Author: Govindraj R <govindraj.raja@ti.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
  */
 
 #ifndef _EHCI_H
diff --git a/arch/arm/include/asm/arch-omap5/gpio.h b/arch/arm/include/asm/arch-omap5/gpio.h
index 48e8ca5..1e44fb5 100644
--- a/arch/arm/include/asm/arch-omap5/gpio.h
+++ b/arch/arm/include/asm/arch-omap5/gpio.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2009 Wind River Systems, Inc.
  * Tom Rix <Tom.Rix@windriver.com>
  *
- * SPDX-License-Identifier:	GPL-2.0
- *
  * This work is derived from the linux 2.6.27 kernel source
  * To fetch, use the kernel repository
  * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
diff --git a/arch/arm/include/asm/arch-omap5/hardware.h b/arch/arm/include/asm/arch-omap5/hardware.h
index d24d645..b6d26e9 100644
--- a/arch/arm/include/asm/arch-omap5/hardware.h
+++ b/arch/arm/include/asm/arch-omap5/hardware.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * hardware.h
  *
  * hardware specific header
  *
  * Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __OMAP_HARDWARE_H
diff --git a/arch/arm/include/asm/arch-omap5/i2c.h b/arch/arm/include/asm/arch-omap5/i2c.h
index 6d620dc..60e2b4b 100644
--- a/arch/arm/include/asm/arch-omap5/i2c.h
+++ b/arch/arm/include/asm/arch-omap5/i2c.h
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2004-2010
  * Texas Instruments, <www.ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 #ifndef _OMAP5_I2C_H_
 #define _OMAP5_I2C_H_
diff --git a/arch/arm/include/asm/arch-omap5/mem.h b/arch/arm/include/asm/arch-omap5/mem.h
index 3e5d655..bd72fb6 100644
--- a/arch/arm/include/asm/arch-omap5/mem.h
+++ b/arch/arm/include/asm/arch-omap5/mem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2006-2008
  * Texas Instruments, <www.ti.com>
@@ -7,8 +8,6 @@
  *
  * Initial Code from:
  *		Richard Woodruff <r-woodruff2@ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _MEM_H_
diff --git a/arch/arm/include/asm/arch-omap5/mux_dra7xx.h b/arch/arm/include/asm/arch-omap5/mux_dra7xx.h
index dc2eb60..c7c118e 100644
--- a/arch/arm/include/asm/arch-omap5/mux_dra7xx.h
+++ b/arch/arm/include/asm/arch-omap5/mux_dra7xx.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2013
  * Texas Instruments Incorporated
  *
  * Nishant Kamat <nskamat@ti.com>
  * Lokesh Vutla <lokeshvutla@ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 #ifndef _MUX_DRA7XX_H_
 #define _MUX_DRA7XX_H_
diff --git a/arch/arm/include/asm/arch-omap5/mux_omap5.h b/arch/arm/include/asm/arch-omap5/mux_omap5.h
index 3e93a15..2460646 100644
--- a/arch/arm/include/asm/arch-omap5/mux_omap5.h
+++ b/arch/arm/include/asm/arch-omap5/mux_omap5.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2004-2009
  * Texas Instruments Incorporated
  * Richard Woodruff		<r-woodruff2@ti.com>
  * Aneesh V			<aneesh@ti.com>
  * Balaji Krishnamoorthy	<balajitk@ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 #ifndef _MUX_OMAP5_H_
 #define _MUX_OMAP5_H_
diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h
index f8e7f06..a9c0421 100644
--- a/arch/arm/include/asm/arch-omap5/omap.h
+++ b/arch/arm/include/asm/arch-omap5/omap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2010
  * Texas Instruments, <www.ti.com>
@@ -5,8 +6,6 @@
  * Authors:
  *	Aneesh V <aneesh@ti.com>
  *	Sricharan R <r.sricharan@ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _OMAP5_H_
diff --git a/arch/arm/include/asm/arch-omap5/sata.h b/arch/arm/include/asm/arch-omap5/sata.h
index b69165b..96c84fc 100644
--- a/arch/arm/include/asm/arch-omap5/sata.h
+++ b/arch/arm/include/asm/arch-omap5/sata.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * SATA Wrapper Register map
  *
  * (C) Copyright 2013
  * Texas Instruments, <www.ti.com>
- *
- * SPDX-License-Identifier:     GPL-2.0+
  */
 
 #ifndef _TI_SATA_H
diff --git a/arch/arm/include/asm/arch-omap5/spl.h b/arch/arm/include/asm/arch-omap5/spl.h
index 3582880..cda3b46 100644
--- a/arch/arm/include/asm/arch-omap5/spl.h
+++ b/arch/arm/include/asm/arch-omap5/spl.h
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2012
  * Texas Instruments, <www.ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 #ifndef	_ASM_ARCH_SPL_H_
 #define	_ASM_ARCH_SPL_H_
diff --git a/arch/arm/include/asm/arch-omap5/sys_proto.h b/arch/arm/include/asm/arch-omap5/sys_proto.h
index e99bf77..80b0c93 100644
--- a/arch/arm/include/asm/arch-omap5/sys_proto.h
+++ b/arch/arm/include/asm/arch-omap5/sys_proto.h
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2010
  * Texas Instruments, <www.ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _SYS_PROTO_H_