freedreno/drm: Fix suballoc alignment

IBO/etc descriptors need to be aligned to 64.. this was handled
correctly in the stateobj case (for tex descriptors) but not in
the streaming case (for IBO).

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19710>
2 files changed