GAM1
gt->steering[GAM1].group_target = 1;
gt->steering[GAM1].instance_target = 0;
[GAM1] = { "GAMWKRS / STLB / GAMREQSTRM", init_steering_gam1 },
gt->steering[GAM1].ranges = xe3p_xpc_gam_grp1_steering_table;