ARM: restart: netx: use new restart hook

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

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-netx/nxdkn.c

@@ -98,4 +98,5 @@ MACHINE_START(NXDKN, "Hilscher nxdkn")
 	.init_irq	= netx_init_irq,
 	.timer		= &netx_timer,
 	.init_machine	= nxdkn_init,
+	.restart	= netx_restart,
 MACHINE_END