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/niu.c b/drivers/net/niu.c
index ebc8127..f927bc0 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -8638,10 +8638,8 @@
 static void __devinit niu_device_announce(struct niu *np)
 {
 	struct net_device *dev = np->dev;
-	DECLARE_MAC_BUF(mac);
 
-	pr_info("%s: NIU Ethernet %s\n",
-		dev->name, print_mac(mac, dev->dev_addr));
+	pr_info("%s: NIU Ethernet %pM\n", dev->name, dev->dev_addr);
 
 	if (np->parent->plat_type == PLAT_TYPE_ATCA_CP3220) {
 		pr_info("%s: Port type[%s] mode[%s:%s] XCVR[%s] phy[%s]\n",