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/timestamp.h

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef	__TIMESTAMP_H__
+#define	__TIMESTAMP_H__
+
+#ifndef DO_DEPS_ONLY
+#include "generated/timestamp_autogenerated.h"
+#endif
+
+#endif	/* __TIMESTAMP_H__ */