net: convert multiple drivers to use netdev_for_each_mc_addr, part7

In mlx4, using char * to store mc address in private structure instead.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h
index 82c3ebc..b55e46c 100644
--- a/drivers/net/mlx4/mlx4_en.h
+++ b/drivers/net/mlx4/mlx4_en.h
@@ -492,7 +492,8 @@
 	struct mlx4_en_perf_stats pstats;
 	struct mlx4_en_pkt_stats pkstats;
 	struct mlx4_en_port_stats port_stats;
-	struct dev_mc_list *mc_list;
+	char *mc_addrs;
+	int mc_addrs_cnt;
 	struct mlx4_en_stat_out_mbox hw_stats;
 };