Wiki:
http://variwiki.com/index.php?title=VAR-SOM-MX8_Yocto&release=RELEASE_SUMO_V1.9_VAR-SOM-MX8
Release notes:
https://docs.google.com/spreadsheets/d/e/2PACX-1vQ8GH3n1MH7cX1AZOVF86ASCL5ROwN-CdVlMWPfDcYeRTJH_SM8oB8G1AuuSB2Iw67BFD9yFFxpgnO_/pubhtml
Create demo SD card:
http://variwiki.com/index.php?title=Yocto_Recovery_SD_card&release=RELEASE_SUMO_V1.9_VAR-SOM-MX8
SOMs specifications:
https://www.variscite.com/product/system-on-module-som/cortex-a72/var-som-mx8-nxp-freescale-i-mx8/
https://www.variscite.com/product/system-on-module-som/cortex-a72/spear-mx8-nxp-imx8/