radv: have the null winsys set more fields

I copied stuff from ac_gpu_info.c until there were no Sienna Cichild or
Polaris10 fossil-db changes between real hardware and RADV_FORCE_FAMILY.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14126>
1 file changed