inventory: write sensor yaml parser

Write python-based parser for sensor.yaml. The parser generates
sensor-gen.cpp,which is having a map of sensorid(key) and
sensorinfo(value).

Change-Id: I5aa2d2bc871ced06e5e4c164a67eeb5974031d5d
Signed-off-by: Ratan Gupta <ratagupt@in.ibm.com>
3 files changed