panfrost: Advertise Bifrost support

Drop the PAN_MESA_DEBUG=bifrost flag. Load on Bifrost chips by default.

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/7408>
2 files changed