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/arch/arm/cpu/armv7/omap3/config.mk

@@ -0,0 +1,15 @@
+#
+# Copyright 2011 Linaro Limited
+#
+# (C) Copyright 2010
+# Texas Instruments, <www.ti.com>
+#
+# Aneesh V <aneesh@ti.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+ifdef CONFIG_SPL_BUILD
+ALL-y	+= MLO
+else
+ALL-y	+= u-boot.img
+endif