If the client only interested, if any of the vibra channels enabled, or
if any of the channels are set to receive audio data via PDM.

This function targets mainly the vibra driver, so it can check if it is
allowed to execute effects ot not.
Signed-off-by: NPeter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: NSamuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>