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/arch/arm/dts/sun7i-a20-yones-toptech-bd1078.dts

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
+ *
+ * Minimal dts file for the Yones Toptech BD1078 for u-boot only
+ *
+ * SPDX-License-Identifier:     GPL-2.0+ or X11
+ */
+
+/dts-v1/;
+#include "sun7i-a20.dtsi"
+
+/ {
+	model = "Yones Toptech BD1078";
+	compatible = "yones,toptech-bd1078", "allwinner,sun7i-a20";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};