u-boot/tools/binman/test/134_fdt_update_all_repack.dts

// SPDX-License-Identifier: GPL-2.0+
/dts-v1/;

/ {
	#address-cells = <1>;
	#size-cells = <1>;

	binman {
		allow-repack;
		section {
			size = <0x300>;
			u-boot-dtb {
				offset = <4>;
			};
		};
		u-boot-spl-dtb {
		};
		u-boot-tpl-dtb {
		};
		fdtmap {
		};
	};
};