net/mlx5e: Add TC vlan action for SRIOV offloads

Parse TC vlan actions and set the required elements to allow offloading.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>