python api does not work with newer ppk2 firmware v1.2.0

[duyanh-y4n]

Since PPK2 firmware version 1.2.0 python api does not work anymore. Current working version is 1.1.0. I have to downgrade all my PPK2 device (using the NRF CONNECT PROGRAMMER) to use python api again.

Since NRF CONNECT POWER PROFILER version 4.2.0, a prompt for update PPK firmware to 1.2.0 will be triggered if current PPK has the older firmware, which might break the compatibility to this python api.

Please add a disclaimer for this issue or add support for the newer PPK2 firmware version

I've only tested the PPK2_MP API.

Thanks!