Wiki:
https://variwiki.com/index.php?title=VAR-SOM-MX6_Yocto&release=mx6-yocto-scarthgap-6.6.23_2.0.0-v1.0
Release notes:
https://variwiki.com/index.php?title=VAR-SOM-MX6_Release_Notes&release=mx6-yocto-scarthgap-6.6.23_2.0.0-v1.0
Create demo SD card:
https://variwiki.com/index.php?title=Yocto_Recovery_SD_card&release=mx6-yocto-scarthgap-6.6.23_2.0.0-v1.0
SOM specifications:
https://www.variscite.com/product/system-on-module-som/cortex-a9/var-som-mx6-cpu-freescale-imx6/