panfrost: Remove panfrost_bo_access type

It's just whether it writes or not, which is already implied by the
presence/absence of a writer. So no need to track explicitly.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5859>
3 files changed