arm build scripts

util/build.sh

@@ -1,6 +1,9 @@
 #!/usr/bin/env bash
 # Copyright 2021 The Hush Developers
-# Released under GPLv3
+# Distributed under the GPLv3 software license, see the accompanying
+# file LICENSE or https://www.gnu.org/licenses/gpl-3.0.en.html
+
+# Purpose: Script to build Hush lightwalletd on x86 64-bit arch
 
 # Check if go is installed on system and exits if it is not
 if ! [ -x "$(command -v go)" ]; then