Certain versions of the VF2 bootloader require the presence of a
vf2_uEnv.txt in the boot partition to properly load a non-SDK kernel.
Add this file during the SD-card generation.
Known VF2 bootloader versions exhibiting this behaviour are:
U-Boot 2021.10 (Mar 31 2025 - 22:49:46 +0800), Build: jenkins-github_visionfive2_6.12-11
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
The VF2 boards store their ubootenv on /dev/mtd1 which is a SPI flash
partition. Add support for reading this partition in uboot-envtools,
and add the package into the VF2 image.
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
