veth : add the set_mac_address capability

Fix lost set_mac_address capability.
Signed-off-by: Daniel Lezcano <daniel.lezcano@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/veth.c

@@ -267,6 +267,7 @@ static const struct net_device_ops veth_netdev_ops = {
 	.ndo_open            = veth_open,
 	.ndo_start_xmit      = veth_xmit,
 	.ndo_get_stats       = veth_get_stats,
+	.ndo_set_mac_address = eth_mac_addr,
 };
 
 static void veth_setup(struct net_device *dev)