* Add support for Radxa Zero
u-boot: new patch based on v2021.04
kernel: use patches sent to kernel list by chewitt
Tested with minimal build and cinnamon desktop:
- SD/eMMC, ok
- USB3, works in USB 2 mode
- HDMI, ok
- WiFi/BT, ok
Signed-off-by: Jack Ma <jack@radxa.com>
* Add build targets
* Cleanup and set min speed to 666000
* Change to WIP target
Support status undetermined
Co-authored-by: Jack Ma <jack@radxa.com>