ARM: restart: ixp4xx: use new restart hook

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

Acked-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-ixp4xx/vulcan-setup.c

@@ -244,4 +244,5 @@ MACHINE_START(ARCOM_VULCAN, "Arcom/Eurotech Vulcan")
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
 #endif
+	.restart	= ixp4xx_restart,
 MACHINE_END