ASoC: Intel: Skylake: Reset DSP Pipelines in prepare

An application can choose to call .prepare function
any number of times. In such scenarios, there is a
need to reset the DSP pipeline.

Signed-off-by: Pardha Saradhi K <pardha.saradhi.kesapragada@intel.com>
Signed-off-by: Divya Prakash <divya1.prakash@intel.com>
Signed-off-by: Sriram Periyasamy <sriramx.periyasamy@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>