FROMLIST: ASoC: SOF: Add DSP HW abstraction operations

Add operation pointers that can be called by core to control a wide
variety of DSP targets. The DSP HW drivers will fill in these
operations.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
(cherry picked from commit 04593bebe1ee57bf26d2a21b5231c7c5f77567c2)
Link:https://github.com/thesofproject/linux/commit/04593bebe1ee57bf26d2a21b5231c7c5f77567c2


Signed-off-by: Samaga Prasanna Krishna <samaga.krishna@intel.corp-partner.google.com>

BUG=b:110025789
TEST=Test Audio use cases after full SOF series patches are applied.

Change-Id: If53c44e89f93cf570f164fb67f21660ebe56ecbe
Reviewed-on: https://chromium-review.googlesource.com/1120592


Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Curtis Malainey <cujomalainey@chromium.org>
Reviewed-by: Curtis Malainey <cujomalainey@chromium.org>