Release notes:
https://variwiki.com/index.php?title=VAR-SOM-MX8X_Release_Notes&release=mx8x-yocto-mickledore-6.1.22_2.0.0-v1.0
Create demo SD card:
https://variwiki.com/index.php?title=Yocto_Recovery_SD_card&release=mx8x-yocto-mickledore-6.1.22_2.0.0-v1.0
SOM specifications:
https://www.variscite.com/product/system-on-module-som/cortex-a35/var-som-mx8x-nxp-imx8x/