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-imx/mach-qong.c b/arch/arm/mach-imx/mach-qong.c
index 4ff5faf..2606210 100644
--- a/arch/arm/mach-imx/mach-qong.c
+++ b/arch/arm/mach-imx/mach-qong.c
@@ -273,4 +273,5 @@
 	.handle_irq = imx31_handle_irq,
 	.timer = &qong_timer,
 	.init_machine = qong_init,
+	.restart	= mxc_restart,
 MACHINE_END