net/mlx5e: E-Switch, Use metadata for vport matching in send-to-vport rules

Like other rules use metadata matching if supported instead of
source_port.

Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>