ubootconfig= bootmode=extlinux local_uboot_dir=${nonfree_bin_dir}/u-boot/firefly-rk3588 dtb_name=rk3588-firefly-itx-3588j platform=rockchip soc_name=rk3588 arch=arm64 part_table=gpt boot_size=256 POST_BOARD_OVERLAY() { echo "Put ${board} firmware into rootfs..." mkdir -p ${rootfs_dir}/etc/modules-load.d/ echo "8821cu" >> ${rootfs_dir}/etc/modules-load.d/8821cu.conf }