ASoC: msm: Add 24-bit playback support in lpa driver

Add support for for 24-bit playback in lpa platform driver.

Change-Id: Ic3d16f7a26f7b9b3c145a64ffcdcfcdc70cd4344
CRs-fixed: 474820
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>