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/board/gdsys/common/phy.h

@@ -0,0 +1,14 @@
+/*
+ * (C) Copyright 2014
+ * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _PHY_H_
+#define _PHY_H_
+
+int setup_88e1514(const char *bus, unsigned char addr);
+int setup_88e1518(const char *bus, unsigned char addr);
+
+#endif