[SPARC64]: Niagara optimized memset/bzero/clear_user.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 3222c82..8c6c469 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -420,6 +420,8 @@
 	/* Patch copy/clear ops.  */
 	call	niagara_patch_copyops
 	 nop
+	call	niagara_patch_bzero
+	 nop
 	call	niagara_patch_pageops
 	 nop