DCMI: Get power reading - add witherspoon config

The D-Bus object that captures the power reading varies
from system to system, using JSON config file to specify
the D-Bus object to read based on the sytem.

Change-Id: I2bfac0826b051d243b4edba34cc0b0e09dc648cf
Signed-off-by: Marri Devender Rao <devenrao@in.ibm.com>
2 files changed