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>
diff --git a/arch/arm/mach-mmp/tavorevb.c b/arch/arm/mach-mmp/tavorevb.c
index eb5be87..257a212 100644
--- a/arch/arm/mach-mmp/tavorevb.c
+++ b/arch/arm/mach-mmp/tavorevb.c
@@ -103,4 +103,5 @@
 	.init_irq       = pxa910_init_irq,
 	.timer          = &pxa910_timer,
 	.init_machine   = tavorevb_init,
+	.restart	= mmp_restart,
 MACHINE_END