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/sun5i-a13-inet-86vs.dts

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
+ *
+ * Minimal dts file for the iNet 86VS for u-boot only
+ *
+ * SPDX-License-Identifier:     GPL-2.0+ or X11
+ */
+
+/dts-v1/;
+#include "sun5i-a13.dtsi"
+
+/ {
+	model = "iNet 86VS";
+	compatible = "inet,86vs", "allwinner,sun5i-a13";
+
+	aliases {
+		serial0 = &uart1;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins_b>;
+	status = "okay";
+};