netdev: missing validate_address hooks

Some devices were converted incorrectly and are missing the validate
address hooks.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/acenic.c
Simple merge

diff --cc drivers/net/arm/ks8695net.c
Simple merge

diff --cc drivers/net/mlx4/en_netdev.c
Simple merge