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/cm5200/fwupdate.h

@@ -0,0 +1,31 @@
+/*
+ * (C) Copyright 2007 Schindler Lift Inc.
+ *
+ * Author: Michel Marti <mma@objectxp.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __FW_UPDATE_H
+#define __FW_UPDATE_H
+
+/* Default prefix for output messages */
+#define LOG_PREFIX	"CM5200:"
+
+/* Extra debug macro */
+#ifdef CONFIG_FWUPDATE_DEBUG
+#define FW_DEBUG(fmt...) printf(LOG_PREFIX fmt)
+#else
+#define FW_DEBUG(fmt...)
+#endif
+
+/* Name of the directory holding firmware images */
+#define FW_DIR		"nx-fw"
+#define RESCUE_IMAGE	"nxrs.img"
+#define LOAD_ADDR	0x400000
+#define RS_BOOTARGS	"ramdisk_size=8192K"
+
+/* Main function for fwupdate */
+void cm5200_fwupdate(void);
+
+#endif /* __FW_UPDATE_H */