ARM: 7251/1: restart: S5PC100: 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-s5pc100/common.h b/arch/arm/mach-s5pc100/common.h
index 4822b87..9fbd3ae 100644
--- a/arch/arm/mach-s5pc100/common.h
+++ b/arch/arm/mach-s5pc100/common.h
@@ -18,6 +18,8 @@
 void s5pc100_register_clocks(void);
 void s5pc100_setup_clocks(void);
 
+void s5pc100_restart(char mode, const char *cmd);
+
 #ifdef CONFIG_CPU_S5PC100
 
 extern  int s5pc100_init(void);