net: convert print_mac to %pM

This converts pretty much everything to print_mac. There were
a few things that had conflicts which I have just dropped for
now, no harm done.

I've built an allyesconfig with this and looked at the files
that weren't built very carefully, but it's a huge patch.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index 98bc25c..d5b513e 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -1291,7 +1291,6 @@
 	int i;
 	u16 eeval;
 	struct ath_hal_5416 *ahp = AH5416(ah);
-	DECLARE_MAC_BUF(mac);
 
 	sum = 0;
 	for (i = 0; i < 3; i++) {
@@ -1302,8 +1301,8 @@
 	}
 	if (sum == 0 || sum == 0xffff * 3) {
 		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
-			 "%s: mac address read failed: %s\n", __func__,
-			 print_mac(mac, ahp->ah_macaddr));
+			 "%s: mac address read failed: %pM\n", __func__,
+			 ahp->ah_macaddr);
 		return -EADDRNOTAVAIL;
 	}