sparc: Stop trying to be so fancy and use __builtin_{memcpy,memset}()

This mirrors commit ff60fab71bb3b4fdbf8caf57ff3739ffd0887396
(x86: Use __builtin_memset and __builtin_memcpy for memset/memcpy)

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/lib/checksum_32.S b/arch/sparc/lib/checksum_32.S
index 77f2285..3632cb3 100644
--- a/arch/sparc/lib/checksum_32.S
+++ b/arch/sparc/lib/checksum_32.S
@@ -560,7 +560,7 @@
 	 mov	%i0, %o1
 	mov	%i1, %o0
 5:
-	call	__memcpy
+	call	memcpy
 	 mov	%i2, %o2
 	tst	%o0
 	bne,a	2f