wcd9320: Enable class AB mode, AKA high perf audio headset mode, be default

Signed-off-by: MassStash <MassStash@gmail.com>
ASoC: msm: Add sample rates to PCM front-end

Add two additional sample rates to the PCM front-
end: 88200 KHz and 176400 KHz.

CRs-Fixed: 601715
Change-Id: If61fb034a60f41b5c63a00fd764da50db7333cb5
Signed-off-by: Kenneth Westfield <kwestfie@codeaurora.org>