pitft: Include a pitft35r MACHINE_FEATURE
pitft: Include a pitft35r MACHINE_FEATURE

This MACHINE_FEATURE will automatically add the recommended
Adafruit configuration line to the Raspberry Pi config.txt.

Signed-off-by: Rob Woolley <a7d8b90bbdfdfa8ce7f587158d7158129e0bbc0e@windriver.com>

leon-anavi/meta-raspberrypi,agherzan/meta-raspberrypi,d21d3q/meta-raspberrypi,d21d3q/meta-raspberrypi,leon-anavi/meta-raspberrypi,LocutusOfBorg/meta-raspberrypi,d21d3q/meta-raspberrypi,schnitzeltony/meta-raspberrypi,LocutusOfBorg/meta-raspberrypi,kraj/meta-raspberrypi,schnitzeltony/meta-raspberrypi,agherzan/meta-raspberrypi,LocutusOfBorg/meta-raspberrypi,schnitzeltony/meta-raspberrypi,agherzan/meta-raspberrypi,leon-anavi/meta-raspberrypi,LocutusOfBorg/meta-raspberrypi,kraj/meta-raspberrypi,d21d3q/meta-raspberrypi,agherzan/meta-raspberrypi,kraj/meta-raspberrypi,agherzan/meta-raspberrypi,agherzan/meta-raspberrypi