ASoC: msm-dai-q6-v2: Add separate cpu dais for mi2s rx and tx

MI2S capture fails on gki build as there are no separate
cpu dais for rx and tx. This is due to afe port start opening
rx port on capture. Add separate dais for mi2s rx and tx
to resolve issue.

Change-Id: I37cc1132039ee1525c4f16f8b10b0a9344989d75
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>