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/scripts/binutils-version.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+# binutils-version [-p] gas-command
+#
+# Prints the binutils version of `gas-command' in a canonical 4-digit form
+# such as `0222' for binutils 2.22
+#
+
+gas="$*"
+
+if [ ${#gas} -eq 0 ]; then
+	echo "Error: No assembler specified."
+	printf "Usage:\n\t$0 <gas-command>\n"
+	exit 1
+fi
+
+version_string=$($gas --version | head -1 | \
+	sed -e 's/(.*)//; s/[^0-9.]*\([0-9.]*\).*/\1/')
+
+MAJOR=$(echo $version_string | cut -d . -f 1)
+MINOR=$(echo $version_string | cut -d . -f 2)
+
+printf "%02d%02d\\n" $MAJOR $MINOR