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/isa-skeleton.c b/drivers/net/isa-skeleton.c
index d6ff26a..1c8d72b 100644
--- a/drivers/net/isa-skeleton.c
+++ b/drivers/net/isa-skeleton.c
@@ -192,7 +192,6 @@
 	static unsigned version_printed;
 	int i;
 	int err = -ENODEV;
-	DECLARE_MAC_BUF(mac);
 
 	/* Grab the region so that no one else tries to probe our ioports. */
 	if (!request_region(ioaddr, NETCARD_IO_EXTENT, cardname))
@@ -220,7 +219,7 @@
 	for (i = 0; i < 6; i++)
 		dev->dev_addr[i] = inb(ioaddr + i);
 
-	printk("%s", print_mac(mac, dev->dev_addr));
+	printk("%pM", dev->dev_addr);
 
 	err = -EAGAIN;
 #ifdef jumpered_interrupts