Fix pybadge buttons; add pygamer; BOOT drive name changes
- Fix A and B button mapping on pybadge.
- Add analog joystick.
- Add pygamer
- Add robohatmm1.
- Audio fixes.
- Rename arcade BOOT drives to match board names.
- Other pin mapping fixes.
- Move version number display on screen to allow longer version numbers.
- Fix non-FAT build.