ARM: dts: msm: enable sensors for 8939 MTP and CDP

Add device tree entries to enable accelerometer, gyroscope
ambient light sensor, proximity sensor and compass.

CRs-fixed: 671008
Change-Id: I20eb0999014637ebed4c3738711096eb73c1aff1
Signed-off-by: Bingzhe Cai <bingzhec@codeaurora.org>