sparc64: Fix section attribute warnings.

CSUM copy to/from user assembler was missing allocatable and
executable attributes for .fixup

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/lib/csum_copy_to_user.S b/arch/sparc/lib/csum_copy_to_user.S
index d5b12f4..afd01ac 100644
--- a/arch/sparc/lib/csum_copy_to_user.S
+++ b/arch/sparc/lib/csum_copy_to_user.S
@@ -5,7 +5,7 @@
 
 #define EX_ST(x)		\
 98:	x;			\
-	.section .fixup;	\
+	.section .fixup,"ax";	\
 	.align 4;		\
 99:	retl;			\
 	 mov	-1, %o0;	\