ARM: restart: pxa: use new restart hook

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

Acked-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-pxa/capc7117.c

@@ -153,5 +153,6 @@ MACHINE_START(CAPC7117,
 	.init_irq = pxa3xx_init_irq,
 	.handle_irq = pxa3xx_handle_irq,
 	.timer = &pxa_timer,
-	.init_machine = capc7117_init
+	.init_machine = capc7117_init,
+	.restart	= pxa_restart,
 MACHINE_END