ASoC: SOF: Intel: Add BYT, CHT and BSW DSP HW support.

Add support for the audio DSP hardware found on Intel Baytrail,
Cherrytrail and Braswell based devices.

Signed-off-by: Rander Wang <rander.wang@linux.intel.com>
Signed-off-by: Pan Xiuli <xiuli.pan@linux.intel.com>
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>