net/mlx5: E-Switch, Use correct flags when configuring vlan

Before the offending commit, vlan will be configured if either vlan
or qos is set. After the change with new set flags, function callers
should provide flags accordingly.

Fixes: e33dfe31 ("net/mlx5: E-Switch, Allow fine tuning of eswitch vport push/pop vlan")
Signed-off-by: Bodong Wang <bodong@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>