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/include/asm/arch-tegra114/funcmux.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2010-2013, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+/* Tegra114 high-level function multiplexing */
+
+#ifndef _TEGRA114_FUNCMUX_H_
+#define _TEGRA114_FUNCMUX_H_
+
+#include <asm/arch-tegra/funcmux.h>
+
+/* Configs supported by the func mux */
+enum {
+	FUNCMUX_DEFAULT = 0,	/* default config */
+
+	/* UART configs */
+	FUNCMUX_UART4_GMI = 0,
+};
+#endif	/* _TEGRA114_FUNCMUX_H_ */