net: use netdev stats in b44, sundance, via-rhine and via-velocity

Use struct net_device_stats provided in struct net_device instead of
private ones.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index b70b81e..36d4d37 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -782,7 +782,7 @@
 		drop_it:
 			b44_recycle_rx(bp, cons, bp->rx_prod);
 		drop_it_no_recycle:
-			bp->stats.rx_dropped++;
+			bp->dev->stats.rx_dropped++;
 			goto next_pkt;
 		}
 
@@ -1647,7 +1647,7 @@
 static struct net_device_stats *b44_get_stats(struct net_device *dev)
 {
 	struct b44 *bp = netdev_priv(dev);
-	struct net_device_stats *nstat = &bp->stats;
+	struct net_device_stats *nstat = &dev->stats;
 	struct b44_hw_stats *hwstat = &bp->hw_stats;
 
 	/* Convert HW stats into netdevice stats. */