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/config_defaults.h

@@ -0,0 +1,23 @@
+/*
+ * config_defaults.h - sane defaults for everyone
+ *
+ * Copyright (c) 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _CONFIG_DEFAULTS_H_
+#define _CONFIG_DEFAULTS_H_
+
+/* Support bootm-ing different OSes */
+#define CONFIG_BOOTM_LINUX 1
+#define CONFIG_BOOTM_NETBSD 1
+#define CONFIG_BOOTM_PLAN9 1
+#define CONFIG_BOOTM_RTEMS 1
+#define CONFIG_BOOTM_VXWORKS 1
+
+#define CONFIG_GZIP 1
+#define CONFIG_ZLIB 1
+#define CONFIG_PARTITIONS 1
+
+#endif