meta/meta-mediatek/recipes-bsp/lk/files/lk_dts/lk.dts

/dts-v1/;
/ {
	model = "Keys";
	compatible = "mediatek,auto2701evb2-ivi";
	signature {
		key-dev {
			required = "conf";
			algo = "sha256,rsa2048";
			key-name-hint = "dev";
		};
	};
};