Change the Documentation makefiles from obj-m to subdir-y
to avoid generating unnecessary built-in.o files since nothing
in Documentation/ is ever linked in to vmlinux.
Signed-off-by: NPeter Foley <pefoley2@pefoley.com>
Acked-by: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NRandy Dunlap <rdunlap@infradead.org>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>