ARM: restart: kirkwood: 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-kirkwood/t5325-setup.c b/arch/arm/mach-kirkwood/t5325-setup.c
index ea104fb..966b2b3 100644
--- a/arch/arm/mach-kirkwood/t5325-setup.c
+++ b/arch/arm/mach-kirkwood/t5325-setup.c
@@ -207,4 +207,5 @@
 	.init_early	= kirkwood_init_early,
 	.init_irq	= kirkwood_init_irq,
 	.timer		= &kirkwood_timer,
+	.restart	= kirkwood_restart,
 MACHINE_END