net/mlx5: HWS, remove the use of duplicated structs

Remove definition in HWS of structs that are already defined
in mlx5_ifc.h, and fix the usage of these structs.

Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Itamar Gozlan <igozlan@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250102181415.1477316-2-tariqt@nvidia.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>