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/board/freescale/t4qds/Makefile b/board/freescale/t4qds/Makefile
index 1eacbcc..1114422 100644
--- a/board/freescale/t4qds/Makefile
+++ b/board/freescale/t4qds/Makefile
@@ -1,8 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # Copyright 2012 Freescale Semiconductor, Inc.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 
 ifdef CONFIG_SPL_BUILD
 obj-y	+= spl.o
diff --git a/board/freescale/t4qds/ddr.c b/board/freescale/t4qds/ddr.c
index 7408970..08656b4 100644
--- a/board/freescale/t4qds/ddr.c
+++ b/board/freescale/t4qds/ddr.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright 2012 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
diff --git a/board/freescale/t4qds/ddr.h b/board/freescale/t4qds/ddr.h
index 0b0cc9a..a28d431 100644
--- a/board/freescale/t4qds/ddr.h
+++ b/board/freescale/t4qds/ddr.h
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __DDR_H__
diff --git a/board/freescale/t4qds/eth.c b/board/freescale/t4qds/eth.c
index 95f8c04..b341c82 100644
--- a/board/freescale/t4qds/eth.c
+++ b/board/freescale/t4qds/eth.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2012 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/board/freescale/t4qds/law.c b/board/freescale/t4qds/law.c
index 367783b..cb7bdf3 100644
--- a/board/freescale/t4qds/law.c
+++ b/board/freescale/t4qds/law.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2008-2012 Freescale Semiconductor, Inc.
  *
  * (C) Copyright 2000
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/board/freescale/t4qds/pci.c b/board/freescale/t4qds/pci.c
index 398c62b..4860ab6 100644
--- a/board/freescale/t4qds/pci.c
+++ b/board/freescale/t4qds/pci.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2007-2012 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/board/freescale/t4qds/spl.c b/board/freescale/t4qds/spl.c
index 750f155..16cc29e 100644
--- a/board/freescale/t4qds/spl.c
+++ b/board/freescale/t4qds/spl.c
@@ -1,6 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0+
 /* Copyright 2014 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
diff --git a/board/freescale/t4qds/t4240emu.c b/board/freescale/t4qds/t4240emu.c
index 7136aca..512229a 100644
--- a/board/freescale/t4qds/t4240emu.c
+++ b/board/freescale/t4qds/t4240emu.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/board/freescale/t4qds/t4240qds.c b/board/freescale/t4qds/t4240qds.c
index 7b71b54..125bfa3 100644
--- a/board/freescale/t4qds/t4240qds.c
+++ b/board/freescale/t4qds/t4240qds.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2009-2012 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/board/freescale/t4qds/t4240qds_qixis.h b/board/freescale/t4qds/t4240qds_qixis.h
index 5246e6f..52e8d5a 100644
--- a/board/freescale/t4qds/t4240qds_qixis.h
+++ b/board/freescale/t4qds/t4240qds_qixis.h
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright 2012 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __T4020QDS_QIXIS_H__
diff --git a/board/freescale/t4qds/t4qds.h b/board/freescale/t4qds/t4qds.h
index f7cb5cd..4a8e91b 100644
--- a/board/freescale/t4qds/t4qds.h
+++ b/board/freescale/t4qds/t4qds.h
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright 2011-2012 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __CORENET_DS_H__
diff --git a/board/freescale/t4qds/tlb.c b/board/freescale/t4qds/tlb.c
index a6d8bb3..cd5cf48 100644
--- a/board/freescale/t4qds/tlb.c
+++ b/board/freescale/t4qds/tlb.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2008-2012 Freescale Semiconductor, Inc.
  *
  * (C) Copyright 2000
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>