RemoteLinux: Deploy tarball to /tmp.

Home directories might be at non-standard locations on embedded Linux
systems.

Task-number: QTCREATORBUG-5916
Change-Id: I9988c9accc91c90e9b950b74460d48aacd18da28
Reviewed-on: http://codereview.qt.nokia.com/4362
Reviewed-by: Christian Kandeler <christian.kandeler@nokia.com>

src/plugins/remotelinux/abstractuploadandinstallpackageservice.cpp

@@ -89,10 +89,7 @@ QString AbstractUploadAndInstallPackageService::packageFilePath() const
 
 QString AbstractUploadAndInstallPackageService::uploadDir() const
 {
-    const QString uname = deviceConfiguration()->sshParameters().userName;
-    return uname == QLatin1String("root")
-        ? QString::fromLatin1("/root")
-        : QLatin1String("/home/") + uname;
+    return QLatin1String("/tmp");
 }
 
 bool AbstractUploadAndInstallPackageService::isDeploymentNecessary() const