Open power sensors telemetry data keyword

Added new keywords to support sensors aggregation data collection.

Resolves  openbmc/openbmc-test-automation#1228

Change-Id: If566666a50e56ec18a033a1548ef4b4626b738f1
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/data/variables.py b/data/variables.py
index 35a0339..beb2629 100644
--- a/data/variables.py
+++ b/data/variables.py
@@ -6,6 +6,7 @@
 # org open power base URI.
 OPENPOWER_BASE_URI = '/org/open_power/'
 OPENPOWER_CONTROL = OPENPOWER_BASE_URI + 'control/'
+OPENPOWER_SENSORS = OPENPOWER_BASE_URI + 'sensors/'
 
 # REST URI base endpoint paths.
 CONTROL_URI = OPENBMC_BASE_URI + 'control/'