ac/gpu_info: add has_cp_dma_with_null_prt_bug

CP DMA is broken on GFX8-9 with NULL PRT pages. The workaround is to
use compute instead.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35071>
2 files changed