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/samsung/arndale/Makefile

@@ -0,0 +1,11 @@
+#
+# Copyright (C) 2013 Samsung Electronics
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	+= arndale_spl.o
+
+ifndef CONFIG_SPL_BUILD
+obj-y	+= arndale.o
+endif