Changes:
- Switch to Android-14 (android-platform-14.0.0_r2)
- Kernel 6.1.61 (Konsta's kernel merge and configuration is used)
- Added FRP partition (fixes factory reset)
- Optimized boot image load time (3sec less time spent in the bootloader)
- SKIA backend switched back to GLES (mesa/v3dv is not compatible with Android-14 requirements)
- Other minor fixes