COIN: Move arm Mac brew and pyenv install script under common directory

Pick-to: 6.7
Change-Id: I83c6b017d81bc98431f0d0421167890466e5b855
Reviewed-by: Ville-Pekka Karhu <ville-pekka.karhu@qt.io>

coin/provisioning/common/macos/homebrew_for_arm_mac.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# Copyright (C) 2021 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+# Will install homebrew package manager for macOS.
+#     WARNING: Requires commandlinetools
+
+
+set -e
+
+. "$(dirname "$0")"/../unix/DownloadURL.sh
+. "$(dirname "$0")"/../unix/SetEnvVar.sh
+
+
+DownloadURL  \
+    http://ci-files01-hki.intra.qt.io/input/mac/homebrew/be699a568315f57b65519df576d7fc5840b8a5cc/install.sh  \
+    https://raw.githubusercontent.com/Homebrew/install/be699a568315f57b65519df576d7fc5840b8a5cc/install  \
+    f20e4a577f0cafbab5a44b4d239886d725b3b985  \
+    /tmp/homebrew_install.sh
+
+DownloadURL "http://ci-files01-hki.ci.qt.io/input/semisecure/sign/pw" "http://ci-files01-hki.ci.qt.io/input/semisecure/sign/pw" "aae58d00d0a1b179a09f21cfc67f9d16fb95ff36" "/Users/qt/pw"
+{ pw=$(cat "/Users/qt/pw"); } 2> /dev/null
+sudo chmod 755 /tmp/homebrew_install.sh
+{ (echo "$pw" | /tmp/homebrew_install.sh); } 2> /dev/null
+rm -f "/Users/qt/pw"
+
+# No need to manually do `brew update`, the homebrew installer script does it.
+### brew update
+
+SetEnvVar "PATH" "\$PATH:/opt/homebrew/bin"