net/mlx5: DR, Allow native protocol support for HW STEv1

Some flex parser protocols are native as part of STEv1.
The check for supported protocols was modified to allow this.

Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>