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>