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/tipc/eth_media.c b/net/tipc/eth_media.c
index fe43ef7..f72ba77 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -243,12 +243,11 @@
 static char *eth_addr2str(struct tipc_media_addr *a, char *str_buf, int str_size)
 {
 	unchar *addr = (unchar *)&a->dev_addr;
-	DECLARE_MAC_BUF(mac);
 
 	if (str_size < 18)
 		*str_buf = '\0';
 	else
-		sprintf(str_buf, "%s", print_mac(mac, addr));
+		sprintf(str_buf, "%pM", addr);
 	return str_buf;
 }