net/mlx5: Skip waiting for vf pages in internal error

In case of device in internal error state there is no need to wait for
vf pages since they will be reclaimed manually later in the unload flow.

Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>