ASoC: Intel: Add Baytrail SST ID and Baytrail specific register bits

While the SHIM register addresses in Baytrail are the same than Haswell and
Broadwell their register size is 64-bit and some bits are different.

This patch adds the SST device ID for Baytrail and Baytrail specific
SHIM bit definitions.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>