GNOME gitlab has occasional downtime which impacts bitbake-selftest
and causes autobuilder failures. Switch to our own mirror for test
purposes to avoid those issues.
(Bitbake rev: d6b76a928ed4ffe8bb1b425f02077ce8554d0fbc)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 008808755ed6cfeb6c41273e69ce718f0833c26c)
Signed-off-by: Steve Sakoman <steve@sakoman.com>