ARM: dts: msm: Add AUXPCM information to msmsamarium

Add AUXPCM configuration and GPIOs to the device tree file.
Machine drivers reads the information to setup the AUXPCM
GPIOs and settings correctly on the msmsamarium.

Change-Id: I7d3d3e5fb99fef4b33166e7774f8220890f6bf1c
Signed-off-by: Damir Didjusto <damird@codeaurora.org>