[SPARC64]: Fix bogus '&' conditinal in set_rtc_mmss().

We're using '&' instead of '&&'.

Noticed by Roel Kluin.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index cd8c740..a2cf955 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -1070,7 +1070,7 @@
 	 * Not having a register set can lead to trouble.
 	 * Also starfire doesn't have a tod clock.
 	 */
-	if (!mregs && !dregs & !bregs)
+	if (!mregs && !dregs && !bregs)
 		return -1;
 
 	if (mregs) {