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
in Librem 5 devkit, card0 is coming from etnaviv and is not usable for
kms/drm. So force usage of card1 for kwin_wayland.
[ci:skip-build]: won't finish in time