net/mlx5: fs, add HWS fte API functions

net/mlx5: fs, add HWS fte API functions

Add create, destroy and update fte API functions for adding, removing
and updating flow steering rules in HW Steering mode. Get HWS actions
according to required rule, use actions from pool whenever possible.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250109160546.1733647-10-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>