netdev: add missing set_mac_address hook

Many drivers lost the ability to set ethernet address accidently
during the net_device_ops conversion.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c
index 3220022..7e8b3c5 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -576,6 +576,7 @@
 	.ndo_set_multicast_list	= set_rx_mode,
 	.ndo_change_mtu		= eth_change_mtu,
 	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_set_mac_address 	= eth_mac_addr,
 	.ndo_tx_timeout		= hamachi_tx_timeout,
 	.ndo_do_ioctl		= netdev_ioctl,
 };