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/smc91x.c b/drivers/net/smc91x.c
index c70870e..37ff94b 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -1778,7 +1778,6 @@
 	int retval;
 	unsigned int val, revision_register;
 	const char *version_string;
-	DECLARE_MAC_BUF(mac);
 
 	DBG(2, "%s: %s\n", CARDNAME, __func__);
 
@@ -1972,8 +1971,8 @@
 			       "set using ifconfig\n", dev->name);
 		} else {
 			/* Print the Ethernet address */
-			printk("%s: Ethernet addr: %s\n",
-			       dev->name, print_mac(mac, dev->dev_addr));
+			printk("%s: Ethernet addr: %pM\n",
+			       dev->name, dev->dev_addr);
 		}
 
 		if (lp->phy_type == 0) {