FMU-inspired PPM config
Final pin config for F1 PPM decoding, tested to be operational, pending in-application testing
HOTFIX: Avoid running out of range on the RC config params
Merge branch 'master' of github.com:PX4/Firmware into ppm_in
Removed bogus 50 MHz setting, only relevant for outputs
Board config sweep / cleanup. No further functionality-relevant points found
Trimming down number of apps to save flash space
Merge branch 'ppm_in'