drm/i915/audio: set proper N/MCTS on more platforms

This patch applies setting proper N/M, N/CTS on more platforms.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Libin Yang <libin.yang@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/073f8aaf302df1b638dd33b0ddf46930bcdfea99.1476111629.git.jani.nikula@intel.com