u-boot/tools/binman/test/116_fdtmap_hdr.dts

/dts-v1/;

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

	binman {
		size = <0x400>;
		u-boot {
		};
		fdtmap {
		};
		image-header {
			location = "end";
		};
	};
};