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/zyxel/nsa310s/Kconfig

@@ -0,0 +1,20 @@
+#
+# Copyright (C) 2015
+# Gerald Kerma <dreagle@doukki.net>
+# Tony Dinh <mibodhi@gmail.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+if TARGET_NSA310S
+
+config SYS_BOARD
+	default "nsa310s"
+
+config SYS_VENDOR
+	default "zyxel"
+
+config SYS_CONFIG_NAME
+	default "nsa310s"
+
+endif