ci: Add environment files for all settings

ci/test/00_setup_env_arm.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) 2019 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+export LC_ALL=C.UTF-8
+
+export HOST=arm-linux-gnueabihf
+export PACKAGES="python3 g++-arm-linux-gnueabihf"
+export RUN_UNIT_TESTS=false
+export RUN_FUNCTIONAL_TESTS=false
+export GOAL="install"
+# -Wno-psabi is to disable ABI warnings: "note: parameter passing for argument of type ... changed in GCC 7.1"
+# This could be removed once the ABI change warning does not show up by default
+export BITCOIN_CONFIG="--enable-glibc-back-compat --enable-reduce-exports CXXFLAGS=-Wno-psabi"