The upstream servers are having issues so switch to our own shadow copy
of the repo.
(Bitbake rev: 8e2d1f8de055549b2101614d85454fcd1d0f94b2)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Steve Sakoman <steve@sakoman.com>