ARM: restart: mxc: use new restart hook

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

Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
index 64bbfce..d6ce137 100644
--- a/arch/arm/mach-mx5/board-mx53_evk.c
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -175,4 +175,5 @@
 	.handle_irq = imx53_handle_irq,
 	.timer = &mx53_evk_timer,
 	.init_machine = mx53_evk_board_init,
+	.restart	= mxc_restart,
 MACHINE_END