ASoC: Intel: add support for Cherrytrail and Braswell in SST driver

This patch add ACPI device ID and platform data for two Cherryview-based
platforms, Cherrytrail and Braswell. Also reuse mfld driver ops in sst driver.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>