avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/doc/uImage.FIT/update3.its

@@ -0,0 +1,44 @@
+/*
+ * Example Automatic software update file.
+ */
+
+/dts-v1/;
+
+/ {
+	description = "Automatic software updates: kernel, ramdisk, FDT";
+	#address-cells = <1>;
+
+	images {
+		update@1 {
+			description = "Linux kernel binary";
+			data = /incbin/("./vmlinux.bin.gz");
+			compression = "none";
+			type = "firmware";
+			load = <FF700000>;
+			hash@1 {
+				algo = "sha1";
+			};
+		};
+		update@2 {
+			description = "Ramdisk image";
+			data = /incbin/("./ramdisk_image.gz");
+			compression = "none";
+			type = "firmware";
+			load = <FF8E0000>;
+			hash@1 {
+				algo = "sha1";
+			};
+		};
+
+		update@3 {
+			description = "FDT blob";
+			data = /incbin/("./blob.fdt");
+			compression = "none";
+			type = "firmware";
+			load = <FFAC0000>;
+			hash@1 {
+				algo = "sha1";
+			};
+		};
+	};
+};