Metatron2k2

Results 2 issues of Metatron2k2

**Description** U-Boot of Hardknott Branch does not boot on CM3+ at all. U-Boot 2020.1 from Dunfell works as expected (after updating with @emilm 's Patch. Setting uart_2ndstage=1 in config.txt reveals...

board/raspberrypi-cm3
meta-raspberrypi/hardknott

I just wanted to ask if it is possible to add step files to the repository. Sorry for raising an issue.