When judging if reparse is needed when change values in advanced
setting, we need also include user's own defined variable pairs.
[YOCTO #2121]
(Bitbake rev: db4b78798e2280736ddce9f54d25cbcdcb779d0a)
Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>