ARM: 7250/1: restart: S5P64X0: use new restart hook

Hook these platforms restart code into the new restart hook rather
than using arch_reset().

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-s5p64x0/common.c b/arch/arm/mach-s5p64x0/common.c
index af02dc3..b7555a0 100644
--- a/arch/arm/mach-s5p64x0/common.c
+++ b/arch/arm/mach-s5p64x0/common.c
@@ -45,6 +45,7 @@
 #include <plat/gpio-cfg.h>
 #include <plat/regs-irqtype.h>
 #include <plat/regs-serial.h>
+#include <plat/watchdog-reset.h>
 
 #include "common.h"
 
@@ -457,3 +458,11 @@
 	return ret;
 }
 arch_initcall(s5p64x0_init_irq_eint);
+
+void s5p64x0_restart(char mode, const char *cmd)
+{
+	if (mode != 's')
+		arch_wdt_reset();
+
+	soft_restart(0);
+}