ASoC: Intel: Skylake: Add support to topology for module static pin

Some module pin connection are static and defined by the topology.
This patch adds support for static pin definitions in topology widget
private data

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>