Fixed a reference that was not linking to the manual but
was instead referencing the Source Directory structure.
(From yocto-docs rev: aae3fb868e95ef2dbd548a5f9d1ea61a013190cd)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Conflicts:
documentation/ref-manual/ref-variables.xml
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>