I checked out the gen_configure branch, and now used:
<subsystem name="radio_control" type="ppm">
in my airframe file, which is how it was before v5.8.
For the record, the board is Lisa/M v2.0, radio is
Taranis TX with D8R-XP receiver with CPPM output.
Everything works fine now, and I got radio control and
nice values in the PPM message!
I have my own fork with a few sensor driver and subsystem
modifications, so it would be interesting to know if the