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/fec.c b/drivers/net/fec.c
index ecd5c71..2487d83 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -2562,7 +2562,6 @@
 {
 	struct net_device *dev;
 	int i, err;
-	DECLARE_MAC_BUF(mac);
 
 	printk("FEC ENET Version 0.2\n");
 
@@ -2581,8 +2580,7 @@
 			return -EIO;
 		}
 
-		printk("%s: ethernet %s\n",
-		       dev->name, print_mac(mac, dev->dev_addr));
+		printk("%s: ethernet %pM\n", dev->name, dev->dev_addr);
 	}
 	return 0;
 }