kumquat-buildroot/board/kontron/pitx-imx8m/genimage.cfg

image sdcard.img {
	hdimage {
	}

	partition imx-boot {
		in-partition-table = "no"
		image = "imx8-boot-sd.bin"
		offset = 33K
	}

	partition rootfs {
		partition-type = 0x83
		image = "rootfs.ext4"
		offset = 8M
	}
}