net: convert more to %pM

A number of places still use %02x:...:%02x because it's
in debug statements or for no real reason. Make a few
of them use %pM.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/media/dvb/pluto2/pluto2.c b/drivers/media/dvb/pluto2/pluto2.c
index a9653c6..d101b30 100644
--- a/drivers/media/dvb/pluto2/pluto2.c
+++ b/drivers/media/dvb/pluto2/pluto2.c
@@ -560,8 +560,7 @@
 	mac[4] = (val >> 8) & 0xff;
 	mac[5] = (val >> 0) & 0xff;
 
-	dev_info(&pluto->pdev->dev, "MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
-			mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+	dev_info(&pluto->pdev->dev, "MAC %pM\n", mac);
 }
 
 static int __devinit pluto_read_serial(struct pluto *pluto)