The aufs4 now has a 4.12 port, so we can integrate it into the
reference kernel and stay consistent with previous releases.
(From OE-Core rev: 3c60106d86b79c9350102ddf2a904876840b458a)
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>