The above mentioned function just returns an error in case that
mlxsw_sp_bridge_ports_flood_table_set() fails. That means that the previous
configurations are not cleaned.

Fix it by adding error path to clean the configurations in case of error.
Signed-off-by: NAmit Cohen <amcohen@nvidia.com>
Signed-off-by: NIdo Schimmel <idosch@nvidia.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>