[SPARC64]: kzalloc() conversion

this patch converts arch/sparc64 to kzalloc usage.
Crosscompile tested with allyesconfig.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c
index 7991e91..c69504a 100644
--- a/arch/sparc64/kernel/ebus.c
+++ b/arch/sparc64/kernel/ebus.c
@@ -277,10 +277,9 @@
 {
 	void *mem;
 
-	mem = kmalloc(size, GFP_ATOMIC);
+	mem = kzalloc(size, GFP_ATOMIC);
 	if (!mem)
 		panic("ebus_alloc: out of memory");
-	memset((char *)mem, 0, size);
 	return mem;
 }