net/mlx5: fs, add support for dest flow sampler HWS action

net/mlx5: fs, add support for dest flow sampler HWS action

Add support for HW Steering action of flow sampler destination. For each
flow sampler created cache the hws action by sampler id as a key. Hold
refcount for each rule using the cached action.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/1741543663-22123-4-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>