ARM: 7265/1: restart: S3C24XX: use new restart hook

Hook these platforms restart code into the new restart hook rather
than using arch_reset().
And adds local header file, common.h in arch/arm/mach-s3c2410/ and
arch/arm/mach-s3c2440/ directories.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c
index 4518521..58f2c17 100644
--- a/arch/arm/mach-s3c2410/mach-qt2410.c
+++ b/arch/arm/mach-s3c2410/mach-qt2410.c
@@ -62,6 +62,8 @@
 #include <plat/cpu.h>
 #include <plat/pm.h>
 
+#include "common.h"
+
 static struct map_desc qt2410_iodesc[] __initdata = {
 	{ 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
 };
@@ -350,6 +352,5 @@
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= qt2410_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c2410_restart,
 MACHINE_END
-
-