ASoC: Intel: Skylake: Fill BE blob with default params

When we have a path that connects to DSP sink and source, we
need to query the blob using the default params. So add a
function to query the params for such path

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>