Add SPID reference in MSIC_AUDIO & SN95031 platform data

Add SPID reference in MSIC_AUDIO & SN95031 platform data

BZ: 41996

Audio driver needs to differentiate between HW versions of
board during runtime.  If there are any difference between
boards, Audio driver will take decision based on SPID.
This patch adds that support.

Change-Id: If02f33110c6d0a20cf631666e7fb92692c2019c7
Signed-off-by: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
Reviewed-on: http://android.intel.com:8080/54045
Reviewed-by: Yang, Fei <fei.yang@intel.com>
Tested-by: Ng, Cheon-woei <cheon-woei.ng@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>