ARM: restart: mv78xx0: use new restart hook

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

Acked-by: Nicolas pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-mv78xx0/db78x00-bp-setup.c b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
index 50b85ae..4d6d48b 100644
--- a/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
+++ b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
@@ -99,4 +99,5 @@
 	.init_early	= mv78xx0_init_early,
 	.init_irq	= mv78xx0_init_irq,
 	.timer		= &mv78xx0_timer,
+	.restart	= mv78xx0_restart,
 MACHINE_END