ASoC: msm8x16: add changes for QUAT MI2S interface

8916 target supports MI2S interface to hook 3rd
party speakers.
Update the external codec machine driver to enable the
QUAT MI2S interface.

Change-Id: I0e11b774b55493c88eea906cffb100525155c6b0
Signed-off-by: Santosh Mardi <gsantosh@codeaurora.org>