The "!mlx4_is_slave" is totally confusing.  Fix with
constant MLX4_CMD_NATIVE, which is the intended behavior.
Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il>
Reviewed-by: NOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>