I forgot that bin/bitbake is what does the environment filtering based upon
BB_ENV_WHITELIST, etc.
(Bitbake rev: 2cc6b6951bd17832866ec710029d119d2df31ba4)
Signed-off-by: Chris Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>