net: use netdev_mc_count and netdev_mc_empty when appropriate

This patch replaces dev->mc_count in all drivers (hopefully I didn't miss
anything). Used spatch and did small tweaks and conding style changes when
it was suitable.

Jirka

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c
index b7ec036..6a65f66 100644
--- a/drivers/net/a2065.c
+++ b/drivers/net/a2065.c
@@ -619,7 +619,7 @@
 	ib->filter [1] = 0;
 
 	/* Add addresses */
-	for (i = 0; i < dev->mc_count; i++){
+	for (i = 0; i < netdev_mc_count(dev); i++){
 		addrs = dmi->dmi_addr;
 		dmi   = dmi->next;