hal: Add support for sub band devices

Add fluence TX (single/dual mic) sub band devices for
voice/voip usecases.
Add fluence sub band flag and select sub band devices when
the flag is enabled via system property.

CRs-Fixed: 2406603
Change-Id: Ia69bc7cc47bbff86bb5d03cfb6bd6bffd11ab6d8
2 files changed