sparc: switch to RAW_COPY_USER

... and drop zeroing in sparc32.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/sparc/lib/NG2copy_from_user.S b/arch/sparc/lib/NG2copy_from_user.S
index b79a699..0d8a018 100644
--- a/arch/sparc/lib/NG2copy_from_user.S
+++ b/arch/sparc/lib/NG2copy_from_user.S
@@ -36,7 +36,7 @@
 #define PREAMBLE					\
 	rd		%asi, %g1;			\
 	cmp		%g1, ASI_AIUS;			\
-	bne,pn		%icc, ___copy_in_user;		\
+	bne,pn		%icc, raw_copy_in_user;		\
 	 nop
 #endif