Prepare for better device categorization by moving everything to testing
subdir first.
[skip-ci]: chicken-egg problem: passing pmaports CI depends on pmbootstrap MR
depends on this MR
Related: postmarketos#16
This port includes:
* Weston including touch and WiFi (using e.g. firmware-samsung-i9305) works.
* Touchscreen calibration for osk-sdl
* Sound configuration
* Udev rules for touch and pen, pen works!