cat fitImage.its 
/dts-v1/;

/ {
    description = "FIT image with Linux kernel and DTB";
    #address-cells = <1>;

    images {
        kernel@1 {
            description = "Linux kernel";
            data = /incbin/("/home/renu/orgti-processor-sdk-linux-am62xx-evm-09.02.01.09/board-support/ti-linux-kernel-6.1.80+gitAUTOINC+2e423244f8-ti/arch/arm64/boot/Image");
            type = "kernel";
            arch = "arm64";
            os = "linux";
            compression = "none";
            load = <0x81000000>;
            entry = <0x81000000>;
          // hash@1 {
           //     algo = "sha512";
            //};
        };

        fdt@1 {
            description = "Device Tree Blob";
            data = /incbin/("/home/renu/orgti-processor-sdk-linux-am62xx-evm-09.02.01.09/board-support/ti-linux-kernel-6.1.80+gitAUTOINC+2e423244f8-ti/arch/arm64/boot/dts/ti/k3-am625-sk.dtb");
            type = "flat_dt";
            arch = "arm64";
            compression = "none";
            load = <0x83000000>;
            //hash@1 {
            //    algo = "sha512";
            //};
        };
    };

    configurations {
        default = "conf@1";
        conf@1 {
            kernel = "kernel@1";
            fdt = "fdt@1";
        };
    };
};