IMAGE_DEVICE_TABLE and IMAGE_DEVICE_TABLES are both referenced by
_create_devfs, therefore ensure that rootfs is rebuilt if changes
are made to either variable.
(From OE-Core rev: 06092cee0dc8c7cd2408ddfa9e9dc43fd9dfea2e)
Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>