The fbdev backend was removed with Weston 10 which has been out for a
good while now. This device should be able to use the DRM backend
anyway given that it uses the A64 SoC which also e.g. the PinePhone
uses.
Additionally, the comment about Xwayland being broken contradicts the
actual configuration file where Xwayland actually is being enabled
(xwayland=true), so this shouldn't be causing any regressions even if it
actually is broken.