AR_PHY_RADAR_1_RELPWR_THRESH
val &= ~AR_PHY_RADAR_1_RELPWR_THRESH;
val |= SM(pe->pe_relpwr, AR_PHY_RADAR_1_RELPWR_THRESH);
pe->pe_relpwr = MS(val, AR_PHY_RADAR_1_RELPWR_THRESH);