radv: disable support for VEGA for now.
I'm working on this, but I'm not sure I'll make 17.2 at this stage, maybe 17.2.1. Cc: "17.2" <mesa-stable@lists.freedesktop.org> Reviewed-by:Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Signed-off-by:
Dave Airlie <airlied@redhat.com> (cherry picked from commit 611076a4)