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/net/core/netpoll.c b/net/core/netpoll.c
index 6c7af39..34f5d07 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -553,7 +553,6 @@
 
 void netpoll_print_options(struct netpoll *np)
 {
-	DECLARE_MAC_BUF(mac);
 	printk(KERN_INFO "%s: local port %d\n",
 			 np->name, np->local_port);
 	printk(KERN_INFO "%s: local IP %d.%d.%d.%d\n",
@@ -564,8 +563,8 @@
 			 np->name, np->remote_port);
 	printk(KERN_INFO "%s: remote IP %d.%d.%d.%d\n",
 			 np->name, HIPQUAD(np->remote_ip));
-	printk(KERN_INFO "%s: remote ethernet address %s\n",
-	                 np->name, print_mac(mac, np->remote_mac));
+	printk(KERN_INFO "%s: remote ethernet address %pM\n",
+	                 np->name, np->remote_mac);
 }
 
 int netpoll_parse_options(struct netpoll *np, char *opt)