ASoC: audio: add APIs to query for AVS version

Add APIs to query for the AVS framework and services versions. Cache
the information retrieved for use by HLOS services.

CRs-Fixed: 2018143
Signed-off-by: Siena Richard <sienar@codeaurora.org>
Change-Id: I6c262e7302a9b69f5fdd22762122a8db72c8c274