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/dm9000.h

@@ -0,0 +1,17 @@
+/*
+ * NOTE:        DAVICOM DM9000 ethernet driver interface
+ *
+ * Authors:     Remy Bohmer <linux@bohmer.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __DM9000_H__
+#define __DM9000_H__
+
+/******************  function prototypes **********************/
+#if !defined(CONFIG_DM9000_NO_SROM)
+void dm9000_write_srom_word(int offset, u16 val);
+void dm9000_read_srom_word(int offset, u8 *to);
+#endif
+
+#endif /* __DM9000_H__ */