ARM: dts: msm: separate out AUXPCM data-in/out lines

For msm8996 target, separate out the pin-control configuration
for Data-in and data-out lines for primary AUXPCM port. This
will give more control on how the lines are enabled/disabled.

Change-Id: If8046c14809fc6a25570e5d6b2ef0941c1ba9a0a
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>