Add patch to fix build failure with Sourcery Codebench toolchain. The patch is provided upstream: https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/75 Fixes: http://autobuild.buildroot.net/results/b7910460015b077fcb2431da608c34f95c2f2fbb/ Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>