This introduces the FdtClientProtocol, which will be used to expose the device tree provided by the host to other DXE drivers. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Laszlo Ersek <lersek@redhat.com>