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/video_font.h

@@ -0,0 +1,17 @@
+/*
+ * (C) Copyright 2000
+ * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _VIDEO_FONT_
+#define _VIDEO_FONT_
+
+#ifdef CONFIG_VIDEO_FONT_4X6
+#include <video_font_4x6.h>
+#else
+#include <video_font_data.h>
+#endif
+
+#endif /* _VIDEO_FONT_ */