[Arnavion]

Yes. See https://github.com/aarch64-laptops/edk2/tree/dtbloader-app?t... for example.

[ChocolateGod]

It's a shame the DT approach encourages land fill of boards when the manufacturer stops providing updates.

[Arnavion]

Not necessarily. DT can be loaded separately from u-boot tree / kernel tree / dtoverlay file.