1eed99c54f
All three were blocking the boot scheduler in /usr phase on live-mini
because their daemons never notify readiness without hardware present.
- 00_gpiod.service: scheme -> oneshot_async
- 00_i2cd.service: scheme -> oneshot_async
- 00_pcid-spawner.service: new override, oneshot -> oneshot_async
- base: update submodule to 4a1d1f4 (scheduler counter)