Previously we only tracked the flags (minus excluded) of variables we depend
on, but not the flags we use explicitly.
(Bitbake rev: bdeb3dcd7c92e62a7c079e7b27048c4114f24a3a)
Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>