ASoC: msm: qdsp6v2: Enable AFE RTAC topology support

Populate the AFE topology for the RTAC
voice and device structures which allows
retrival of AFE topologies for RTAC
clients.

Change-Id: Ib47e6b04cdfe7146315a800a3f54f9932d54cadc
Signed-off-by: Ben Romberger <bromberg@codeaurora.org>