This prevented variables from being substituted through the
code in yocto-vars.py, at least in the files included this way.
Reviewed-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
(From yocto-docs rev: ac4e4b167964dd4548fb3d90cf9c63580a70b6e3)
Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>