ARM: S3C64XX: Add SPDX license identifiers

Replace GPL license statements with SPDX license identifiers (GPL-2.0
and GPL-2.0+).

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>

arch/arm/mach-s3c64xx/mach-anw6410.c

@@ -1,17 +1,11 @@
-/* linux/arch/arm/mach-s3c64xx/mach-anw6410.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *	http://armlinux.simtec.co.uk/
- * Copyright 2009 Kwangwoo Lee
- * 	Kwangwoo Lee <kwangwoo.lee@gmail.com>
- *
- * 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.
- *
-*/
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright 2008 Openmoko, Inc.
+// Copyright 2008 Simtec Electronics
+//	Ben Dooks <ben@simtec.co.uk>
+//	http://armlinux.simtec.co.uk/
+// Copyright 2009 Kwangwoo Lee
+//	Kwangwoo Lee <kwangwoo.lee@gmail.com>
 
 #include <linux/kernel.h>
 #include <linux/types.h>