ARM: restart: mmp: use new restart hook

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

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-mmp/common.c

@@ -45,3 +45,8 @@ void __init mmp_map_io(void)
 	/* this is early, initialize mmp_chip_id here */
 	mmp_chip_id = __raw_readl(MMP_CHIPID);
 }
+
+void mmp_restart(char mode, const char *cmd)
+{
+	soft_restart(0);
+}