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/ni52.c b/drivers/net/ni52.c
index b42f5e5..497c6d5 100644
--- a/drivers/net/ni52.c
+++ b/drivers/net/ni52.c
@@ -597,7 +597,7 @@
 	struct tdr_cmd_struct __iomem *tdr_cmd;
 	struct mcsetup_cmd_struct __iomem *mc_cmd;
 	struct dev_mc_list *dmi = dev->mc_list;
-	int num_addrs = dev->mc_count;
+	int num_addrs = netdev_mc_count(dev);
 
 	ptr = p->scb + 1;