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/x86/cpu/qemu/Kconfig

@@ -0,0 +1,27 @@
+#
+# Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+config QEMU
+	bool
+
+if QEMU
+
+config SYS_CAR_ADDR
+	hex
+	default 0xd0000
+
+config SYS_CAR_SIZE
+	hex
+	default 0x10000
+
+config ACPI_PM1_BASE
+	hex
+	default 0xe400
+	help
+	  ACPI Power Managment 1 (PM1) i/o-mapped base address.
+	  This device is defined in ACPI specification, with 16 bytes in size.
+
+endif