Otherwise bitbake is unable to expand it if the main
variant is not using a SCM fetcher.
(From OE-Core rev: 24e59094de42b4b0bed3584ca8571c4c19080428)
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>