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/fsl_diu_fb.h

@@ -0,0 +1,15 @@
+/*
+ * Copyright 2007, 2011 Freescale Semiconductor, Inc.
+ * Authors: York Sun <yorksun@freescale.com>
+ *          Timur Tabi <timur@freescale.com>
+ *
+ * FSL DIU Framebuffer driver
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+int fsl_diu_init(u16 xres, u16 yres, u32 pixel_format, int gamma_fix);
+
+/* Prototypes for external board-specific functions */
+int platform_diu_init(unsigned int xres, unsigned int yres, const char *port);
+void diu_set_pixel_clock(unsigned int pixclock);