add chroot_custom_setup_sdcard define
add chroot_custom_setup_sdcard define

Using the non-standard bealgebone black debian system, you can repartition your partitions using the stm32mp1_setup_sdcard, but you can use it on other devices more conveniently.
eg,chroot_custom_setup_sdcard="stm32mp1_setup_sdcard.sh"
RobertCNelson/omap-image-builder,RobertCNelson/omap-image-builder,beagleboard/image-builder,beagleboard/image-builder