Add support for the third pipe in cherrview

v2: Don't use spaces for indentation (Jani)
    Wrap long lines
Reviewed-by: NImre Deak <imre.deak@intel.com>
Signed-off-by: NRafael Barbalho <rafael.barbalho@intel.com>
[vsyrjala: slightly massaged the patch]
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>