ASoC: Intel: Skylake: Fix to correct check for non DSP widget

To get the FE copier module, the check to ignore non DSP widgets
was wrong. This path corrects the check to ignore non DSP widget.

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>