This mainline release corresponds to Buildroot 2021.02.8 LTS.
Significant changes:
- Upgrade odroid kernel to 5.15.7
- Upgrade kernel to 5.15.11 for many boards
- Odroid XU4: enable ttySAC0 uart port
- apps/portainer: new configuration
- Jetson: upgrade l4t to 32.6.1, kernel, and core images.
- Pi: upgrade to kernel 5.10.83
- Add experimental support for pi0v2