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/include/configs/vexpress_ca5x2.h

@@ -0,0 +1,17 @@
+/*
+ * (C) Copyright 2011 Linaro
+ * Ryan Harkin, <ryan.harkin@linaro.org>
+ *
+ * Configuration for Versatile Express. Parts were derived from other ARM
+ *   configurations.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __VEXPRESS_CA5X2_h
+#define __VEXPRESS_CA5X2_h
+
+#define CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP
+#include "vexpress_common.h"
+
+#endif /* __VEXPRESS_CA5X2_h */