With this small patch, it's possible to overrule the public
URL with a local mirror for those without Internet access.
(From OE-Core rev: 2d903126e8bbece3a5171c3488c3deae1f0aa3ee)
Signed-off-by: Jan Vermaete <jan.vermaete@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>