Add L1_MBTS_2_EMPTY and L1_MBTS_1_1_EMPTY to L1 menu
Add L1_MBTS_2_EMPTY and L1_MBTS_1_1_EMPTY to L1 menu and corresponding noalg chains to LS2_v1 menu
Add L1_MBTS_2_EMPTY and L1_MBTS_1_1_EMPTY to L1 menu and corresponding noalg chains to LS2_v1 menu