bicarus 5cabd026ae misc: various performance clean up (#844) ...

## Link to GitHub Issue or related Pull Request, if one exists
n/a

## Description of change

- Replace unnecessary precision timers with standard sleeps to reduce
wakeups and background CPU usage.
- Reuse buffers in raw input, touchscreen, and HID output paths to
eliminate steady-state allocations.
- Pre-index HID button groups and correctly process batched HID reports.

No functional changes.

## Testing

2026-07-28 21:05:32 -07:00

..

spice2x

misc: various performance clean up (#844)

2026-07-28 21:05:32 -07:00