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-mvebu/Makefile

@@ -0,0 +1,31 @@
+#
+# Copyright (C) 2014-2015 Stefan Roese <sr@denx.de>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+ifdef CONFIG_KIRKWOOD
+
+obj-y	= dram.o
+obj-y	+= gpio.o
+obj-y	+= timer.o
+
+else
+
+obj-y	= cpu.o
+obj-y	+= dram.o
+ifndef CONFIG_SPL_BUILD
+obj-$(CONFIG_ARMADA_375) += ../../../drivers/ddr/marvell/axp/xor.o
+obj-$(CONFIG_ARMADA_38X) += ../../../drivers/ddr/marvell/a38x/xor.o
+obj-$(CONFIG_ARMADA_XP) += ../../../drivers/ddr/marvell/axp/xor.o
+endif
+obj-y	+= gpio.o
+obj-y	+= mbus.o
+obj-y	+= timer.o
+obj-$(CONFIG_SPL_BUILD) += spl.o
+obj-$(CONFIG_SPL_BUILD) += lowlevel_spl.o
+
+obj-$(CONFIG_ARMADA_38X) += serdes/a38x/
+obj-$(CONFIG_ARMADA_XP) += serdes/axp/
+
+endif