Change sources location from bintray to github since bintray doesn't
work anymore.
Use commit hash for version instead of git tag to avoid breaking
existing source caches.
Signed-off-by: Daniil Stas <daniil.stas@posteo.net>
Cc: Baruch Siach <baruch@tkos.co.il>
Cc: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 7332bc6eb0)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>