The 3.17 repository is ready, so we no longer need to reuse the
linux-yocto-dev tree.
(From OE-Core rev: c304674833360e0e2dceca3ebeb535025597e46f)
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>