build: add '-DLV_USE_LINUX_DRM=1' for unl0kr only

See merge request !36

unl0kr: select an available DRM device instead of a hard-coded one

Closes #38

See merge request !35

unl0kr: add a systemd password agent

See merge request postmarketOS/buffybox!33

add buffyboard systemd service

See merge request !34

use OS sleep instead of polling to reduce CPU usage

See merge request postmarketOS/buffybox!31

specify scdoc as a native dependency instead of a runtime dependency

See merge request postmarketOS/buffybox!30

without this lvgl never releases the CPU, and just pegs one of the cores
to 100%. see
<https://github.com/lvgl/lvgl/blob/master/docs/porting/timer_handler.rst>

unify build systems of buffyboard and unl0kr

See merge request postmarketOS/buffybox!29

Make /usr/share paths comply with FHS

See merge request postmarketOS/buffybox!28

Load config from /usr/share aswell

Closes #30

See merge request postmarketOS/buffybox!26

buffyboard: Install config file

See merge request postmarketOS/buffybox!25

Testing buffyboard ready for the Debian release I noticed that this
wasn't being installed.

find-sources: Guarantee stable file order

See merge request postmarketOS/buffybox!24

Add Buffyboard Man pages and Unify Build

See merge request postmarketOS/buffybox!23

Add nord themes

See merge request postmarketOS/buffybox!17

Added Adwaita dark theme

See merge request postmarketOS/buffybox!20