Fixed a couple links that were still going to the dev-manual when
they should have been going to the ref-manual. Updated the title
to the dev-manual for those links.
(From yocto-docs rev: 0cd84696a569af17a12bb939f203051e78d6fd48)
Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>