Revert "drivers/ddr/fsl: Dual-license DDR driver"

Upon further review, not all code authors are in favour of this change.
This reverts commit ee3556bcafbb05e59aabdc31368984e76acaabc4.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/ddr/fsl/arm_ddr_gen3.c b/drivers/ddr/fsl/arm_ddr_gen3.c
index 4fa0d5d..aaf4dfb 100644
--- a/drivers/ddr/fsl/arm_ddr_gen3.c
+++ b/drivers/ddr/fsl/arm_ddr_gen3.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0+
  *
  * Derived from mpc85xx_ddr_gen3.c, removed all workarounds
  */
diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c
index 7308309..8b87271 100644
--- a/drivers/ddr/fsl/ctrl_regs.c
+++ b/drivers/ddr/fsl/ctrl_regs.c
@@ -2,7 +2,7 @@
  * Copyright 2008-2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP Semiconductor
  *
- * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*
diff --git a/drivers/ddr/fsl/ddr1_dimm_params.c b/drivers/ddr/fsl/ddr1_dimm_params.c
index 8a8c17c..c02725e 100644
--- a/drivers/ddr/fsl/ddr1_dimm_params.c
+++ b/drivers/ddr/fsl/ddr1_dimm_params.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/ddr2_dimm_params.c b/drivers/ddr/fsl/ddr2_dimm_params.c
index 3ff35aa..062c849 100644
--- a/drivers/ddr/fsl/ddr2_dimm_params.c
+++ b/drivers/ddr/fsl/ddr2_dimm_params.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/ddr3_dimm_params.c b/drivers/ddr/fsl/ddr3_dimm_params.c
index d8f170e..8a0587a 100644
--- a/drivers/ddr/fsl/ddr3_dimm_params.c
+++ b/drivers/ddr/fsl/ddr3_dimm_params.c
@@ -6,7 +6,7 @@
  * from ddr3 spd, please refer to the spec
  * JEDEC standard No.21-C 4_01_02_11R18.pdf
  *
- * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/ddr4_dimm_params.c b/drivers/ddr/fsl/ddr4_dimm_params.c
index 343b0ff..4867fbc 100644
--- a/drivers/ddr/fsl/ddr4_dimm_params.c
+++ b/drivers/ddr/fsl/ddr4_dimm_params.c
@@ -2,7 +2,7 @@
  * Copyright 2014-2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP Semiconductor
  *
- * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0+
  *
  * calculate the organization and timing parameter
  * from ddr3 spd, please refer to the spec
diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c
index 1829aa4..c225c8e 100644
--- a/drivers/ddr/fsl/fsl_ddr_gen4.c
+++ b/drivers/ddr/fsl/fsl_ddr_gen4.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2014-2015 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/fsl_mmdc.c b/drivers/ddr/fsl/fsl_mmdc.c
index 1312c08..52eec0f 100644
--- a/drivers/ddr/fsl/fsl_mmdc.c
+++ b/drivers/ddr/fsl/fsl_mmdc.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2016 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:     GPL-2.0+	BSD-3-Clause
+ * SPDX-License-Identifier:     GPL-2.0+
  */
 
 /*
diff --git a/drivers/ddr/fsl/interactive.c b/drivers/ddr/fsl/interactive.c
index f5c21e4..1fa35c3 100644
--- a/drivers/ddr/fsl/interactive.c
+++ b/drivers/ddr/fsl/interactive.c
@@ -2,7 +2,7 @@
  * Copyright 2010-2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP Semiconductor
  *
- * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*
diff --git a/drivers/ddr/fsl/lc_common_dimm_params.c b/drivers/ddr/fsl/lc_common_dimm_params.c
index 3d28abd..6599901 100644
--- a/drivers/ddr/fsl/lc_common_dimm_params.c
+++ b/drivers/ddr/fsl/lc_common_dimm_params.c
@@ -2,7 +2,7 @@
  * Copyright 2008-2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP Semiconductor
  *
- * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/main.c b/drivers/ddr/fsl/main.c
index 85897b1..d0a7b3f 100644
--- a/drivers/ddr/fsl/main.c
+++ b/drivers/ddr/fsl/main.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2014 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 /*
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen1.c b/drivers/ddr/fsl/mpc85xx_ddr_gen1.c
index f74bf32..c005f52 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen1.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen1.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen2.c b/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
index 6da4400..898b0cd 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2011 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
index e58f76a..afbed59 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2012 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/mpc86xx_ddr.c b/drivers/ddr/fsl/mpc86xx_ddr.c
index bda5b83..a65eb31 100644
--- a/drivers/ddr/fsl/mpc86xx_ddr.c
+++ b/drivers/ddr/fsl/mpc86xx_ddr.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/options.c b/drivers/ddr/fsl/options.c
index 1abea1d..85ec48c 100644
--- a/drivers/ddr/fsl/options.c
+++ b/drivers/ddr/fsl/options.c
@@ -2,7 +2,7 @@
  * Copyright 2008, 2010-2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP Semiconductor
  *
- * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/util.c b/drivers/ddr/fsl/util.c
index 11731cb..d6e6e78 100644
--- a/drivers/ddr/fsl/util.c
+++ b/drivers/ddr/fsl/util.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2014 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>