How to customise /etc/fstab per image ?
/etc/fstab is provided by base-files.
base-files-X and base-files-Y packages with the same content as base-files with only changed /etc/fstab: https://
yocto.yoctoproject.narkive.com/XcannnRd/per-image-customizationspython populate_packages and see what others do