panfrost: Expose pool-based allocation API

Pass pools instead of batches, and rename in terms of pools instead of
transient memory for consistency while we're find-and-replacing.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5794>
8 files changed