meta-digi/meta-digi-dey/recipes-digi/swu-images/files/image_template_nand

                {
                    filename = "##IMG_NAME##";
                    volume = "##DEV##";
                    type = "ubivol";
                    sha256 = "$swupdate_get_sha256(##IMG_NAME##)";
                    installed-directly = true;
                }