net/mlx5: HWS: Properly set bwc queue locks lock classes

The mentioned "Fixes" patch forgot to do that.

Fixes: 9addffa3 ("net/mlx5: HWS, use lock classes for bwc locks")
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20241203204920.232744-3-tariqt@nvidia.com


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