Support nRF53

[trunifom]

nRF53 devices are not supported yet. Please check and accept these nRF53-device-family. Python script is working for nRF53 mcus.

Thanks.

[chdh]

I can use the viewer with the Nordic nRF5340 after patching the file pynrfjprog:

old:

def connect(snr=None, jlink_khz=50000):
    nrf = NrfAPI(NrfDeviceFamily.NRF52)

new:

def connect(snr=None, jlink_khz=40000):
    nrf = NrfAPI(NrfDeviceFamily.NRF53)

My external board with the nRF5340 MCU is connected to the "Debug out" connector of the nRF5340 Developer Kit.