staging: brcm80211: use '%pM' format to print MAC address

Signed-off-by: NAndy Shevchenko <andy.shevchenko@gmail.com>
Cc: Nohee Ko <noheek@broadcom.com>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/util/bcmutils.c

@@ -792,10 +792,7 @@ int BCMROMFN(bcm_ether_atoe) (char *p, struct ether_addr * ea) {
 
 char *bcm_ether_ntoa(const struct ether_addr *ea, char *buf)
 {
-	static const char template[] = "%02x:%02x:%02x:%02x:%02x:%02x";
-	snprintf(buf, 18, template,
-		 ea->octet[0] & 0xff, ea->octet[1] & 0xff, ea->octet[2] & 0xff,
-		 ea->octet[3] & 0xff, ea->octet[4] & 0xff, ea->octet[5] & 0xff);
+	snprintf(buf, 18, "%pM", ea->octet);
 	return (buf);
 }