ARM: dts: s3c64xx: Add SPDX license identifiers

Replace GPL v2.0 license statements with SPDX license identifiers.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/s3c6400.dtsi

+// SPDX-License-Identifier: GPL-2.0
 /*
  * Samsung's S3C6400 SoC device tree source
  *
@@ -10,11 +11,7 @@
  * Note: This file does not include device nodes for all the controllers in
  * S3C6400 SoC. As device tree coverage for S3C6400 increases, additional
  * nodes can be added to this file.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
+ */
 
 #include "s3c64xx.dtsi"
 

arch/arm/boot/dts/s3c6410-mini6410.dts

+// SPDX-License-Identifier: GPL-2.0
 /*
  * Samsung's S3C6410 based Mini6410 board device tree source
  *
@@ -5,11 +6,7 @@
  *
  * Device tree source file for FriendlyARM Mini6410 board which is based on
  * Samsung's S3C6410 SoC.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
+ */
 
 /dts-v1/;
 

arch/arm/boot/dts/s3c6410-smdk6410.dts

+// SPDX-License-Identifier: GPL-2.0
 /*
  * Samsung S3C6410 based SMDK6410 board device tree source.
  *
@@ -5,11 +6,7 @@
  *
  * Device tree source file for SAMSUNG SMDK6410 board which is based on
  * Samsung's S3C6410 SoC.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
+ */
 
 /dts-v1/;
 

arch/arm/boot/dts/s3c6410.dtsi

+// SPDX-License-Identifier: GPL-2.0
 /*
  * Samsung's S3C6410 SoC device tree source
  *
@@ -10,11 +11,7 @@
  * Note: This file does not include device nodes for all the controllers in
  * S3C6410 SoC. As device tree coverage for S3C6410 increases, additional
  * nodes can be added to this file.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
+ */
 
 #include "s3c64xx.dtsi"
 

arch/arm/boot/dts/s3c64xx-pinctrl.dtsi

+// SPDX-License-Identifier: GPL-2.0
 /*
  * Samsung's S3C64xx SoC series common device tree source
  * - pin control-related definitions
@@ -6,10 +7,6 @@
  *
  * Samsung's S3C64xx SoCs pin banks, pin-mux and pin-config options are
  * listed as device tree nodes in this file.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <dt-bindings/pinctrl/samsung.h>

arch/arm/boot/dts/s3c64xx.dtsi

+// SPDX-License-Identifier: GPL-2.0
 /*
  * Samsung's S3C64xx SoC series common device tree source
  *
@@ -10,10 +11,6 @@
  * Note: This file does not include device nodes for all the controllers in
  * S3C64xx SoCs. As device tree coverage for S3C64xx increases, additional
  * nodes can be added to this file.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include "skeleton.dtsi"