ARM: restart: iop13xx: use new restart hook

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

Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-iop13xx/iq81340sc.c b/arch/arm/mach-iop13xx/iq81340sc.c
index cd9e274..690916a 100644
--- a/arch/arm/mach-iop13xx/iq81340sc.c
+++ b/arch/arm/mach-iop13xx/iq81340sc.c
@@ -98,4 +98,5 @@
 	.init_irq       = iop13xx_init_irq,
 	.timer          = &iq81340sc_timer,
 	.init_machine   = iq81340sc_init,
+	.restart	= iop13xx_restart,
 MACHINE_END