net/mlx4_core: Use both physical ports to set the VF link state

In HA mode, the link state for VFs for which the policy is "auto"
(i.e. follow the physical link state) should be ORed from both ports.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>