net/mlx5e: Remove redundant filter_dev arg from parse_tc_fdb_actions()

filter_dev is saved in parse_attr. and being used in other cases from
there. use it also for the leftover case.

Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>