ARM: Remove 'node' argument form arch_adjust_zones()

Since we no longer support discontigmem, node is always zero, so
remove this argument.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index e318153..333d04c 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -348,7 +348,7 @@
  * This is really ugly and we need a better way of specifying
  * DMA-capable regions of memory.
  */
-void __init ixp4xx_adjust_zones(int node, unsigned long *zone_size,
+void __init ixp4xx_adjust_zones(unsigned long *zone_size,
 	unsigned long *zhole_size)
 {
 	unsigned int sz = SZ_64M >> PAGE_SHIFT;
@@ -356,7 +356,7 @@
 	/*
 	 * Only adjust if > 64M on current system
 	 */
-	if (node || (zone_size[0] <= sz))
+	if (zone_size[0] <= sz)
 		return;
 
 	zone_size[1] = zone_size[0] - sz;