Now that this recipe uses make install, we don't manually
create symlinks for firmware files for older kernel in
do_install(). As such, the FILES statement can be updated
as well.
(From OE-Core rev: 4c60fa1d71eb40fb36fb336b55579979308be0a6)
Signed-off-by: André Draszik <git@andred.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>