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/mach-rockchip/rk3036/Makefile

@@ -0,0 +1,13 @@
+#
+# (C) Copyright 2015 Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+ifndef CONFIG_SPL_BUILD
+obj-y += reset_rk3036.o
+obj-y += syscon_rk3036.o
+endif
+
+obj-y += sdram_rk3036.o
+obj-y += save_boot_param.o