soc/intel/apollolake: Move to common dsp driver

Move dsp driver implementation to common dsp driver.

TEST=Boot up and check dsp driver loaded or not in OS.

Change-Id: Ia2be1c9f18e0e110600bd56a0b6cb8d40ca5e01f
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/22234
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
3 files changed