RF sensor test %XRFTEST

The proprietary %XRFTEST command allows reading the temperature sensor next to the Power Amplifier (PA) inside the System in Package (SiP) and another temperature sensor inside the nRF9120 System on Chip (SoC). v1.2.x v1.3.x pti_v1.1.x≥1

The %XRFTEST command allows starting RF to a desired frequency to test, debug, and verify configurations that depend on RF frequency, such as %XMAGPIO and %XMIPIRFFECTRL.