input:sensor: Add device tree and regulator control support for bmp18x

Add devicetree support in the bmp180 driver to parse and handle
the sensor device configuration information from DT. The regulator
config function is added to control the bmp180 vdd and vlogic
power.

Change-Id: Ia5bbe016b428ff5c75c6bc43a29fa937ed1e7ef7
Signed-off-by: Richard Liu <richardl@codeaurora.org>