@fabiopereira73 @steveb1475
Please note that this project is no longer active, the major reason being since 3.5 the PPM is broken.
Switching to BBBMINI is a good alternative to anyone interested building, you can read here that I have an equivalent project with a Pocket Beagle
https://discuss.ardupilot.org/t/pocketpilot-a-new-linux-fc-based-on-the-25-pocketbeagle/25253