It may be confusing for users that source control information is not
present in the BitBake environment. Document it as a warning block.
(From yocto-docs rev: 39967b9cc87cf216c4658598806fd7a68db5053a)
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>