CONFIG_LIBFDT support does not include fdt_empty_tree.c which is
needed by arm64 EFI stub. Add it to libfdt_files.
Signed-off-by: Mark Salter <[email protected]>
Signed-off-by: Leif Lindholm <[email protected]>
Acked-by: Catalin Marinas <[email protected]>
Signed-off-by: Matt Fleming <[email protected]>
