net/mlx5e: IPsec, support upper protocol selector field offload

Add support to policy/state upper protocol selector field offload,
this will enable to select traffic for IPsec operation based on l4
protocol (TCP/UDP) with specific source/destination port.

Signed-off-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>