On WoV we can suspend the DMA and keep the DSP pipelines only On,
so remove the ignore_suspend for WoV streams but keep them for
WoV endpoints.

This helps in achieving better power by suspending DMAs
Signed-off-by: NJeeja KP <jeeja.kp@intel.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>