buildroot/board/solidrun/macchiatobin/genimage.cfg

image sdcard.img {
	hdimage {
	}

	partition uboot {
		in-partition-table = "no"
		image = "flash-image.bin"
		offset = 2M
	}

	partition rootfs {
		partition-type = 0x83
		offset = 34M
		image = "rootfs.ext4"
	}
}