[ARM] Convert kmalloc+memset to kzalloc

Convert all uses of kmalloc followed by memset to use kzalloc instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c
index e79884ee..5dace25 100644
--- a/arch/arm/mach-footbridge/dc21285.c
+++ b/arch/arm/mach-footbridge/dc21285.c
@@ -255,14 +255,12 @@
 	if (nr || !footbridge_cfn_mode())
 		return 0;
 
-	res = kmalloc(sizeof(struct resource) * 2, GFP_KERNEL);
+	res = kzalloc(sizeof(struct resource) * 2, GFP_KERNEL);
 	if (!res) {
 		printk("out of memory for root bus resources");
 		return 0;
 	}
 
-	memset(res, 0, sizeof(struct resource) * 2);
-
 	res[0].flags = IORESOURCE_MEM;
 	res[0].name  = "Footbridge non-prefetch";
 	res[1].flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;