Add qemu user mode binary

qemu is used to run unit tests for arm binaries in coin.

Change-Id: I8610b5d7603fa3bcd5cf0f9e83ee38e219b60a85
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

coin/provisioning/qtci-linux-Ubuntu-16.04-x86_64/003-qemu.sh

+#!/usr/bin/env bash
+#############################################################################
+##
+## Copyright (C) 2017 The Qt Company Ltd.
+## Contact: http://www.qt.io/licensing/
+##
+## This file is part of the provisioning scripts of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:LGPL21$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see http://www.qt.io/terms-conditions. For further
+## information use the contact form at http://www.qt.io/contact-us.
+##
+## GNU Lesser General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU Lesser
+## General Public License version 2.1 or version 3 as published by the Free
+## Software Foundation and appearing in the file LICENSE.LGPLv21 and
+## LICENSE.LGPLv3 included in the packaging of this file. Please review the
+## following information to ensure the GNU Lesser General Public License
+## requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+## http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+##
+## As a special exception, The Qt Company gives you certain additional
+## rights. These rights are described in The Qt Company LGPL Exception
+## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+set -e
+# build latest qemu to usermode
+sudo apt-get -y install automake autoconf libtool
+
+tempDir=$(mktemp -d) || echo "Failed to create temporary directory"
+git clone git://git.qemu.org/qemu.git "$tempDir"
+cd "$tempDir"
+
+#latest commit from the master proven to work
+git checkout c7f1cf01b8245762ca5864e835d84f6677ae8b1f
+git submodule update --init pixman
+./configure --target-list=arm-linux-user --static
+make
+sudo make install
+rm -rf "$tempDir"
+
+# Enable binfmt support
+sudo apt-get -y install binfmt-support
+
+# Install qemu binfmt
+sudo update-binfmts --package qemu-arm --install arm \
+/usr/local/bin/qemu-arm \
+--magic \
+"\x7f\x45\x4c\x46\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00" \
+--mask \
+"\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"