sensor: Add function to map dbus info to reading field

For sensor's with reading type eventData2, the eventdata2 field is
mapped to the reading field in the get sensor reading command
response.

Change-Id: I9ad85ddb48d6c273a22e476e29ea9bbb34c13e24
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/sensordatahandler.hpp b/sensordatahandler.hpp
index 3a66f48..010772d 100644
--- a/sensordatahandler.hpp
+++ b/sensordatahandler.hpp
@@ -71,6 +71,16 @@
  */
 GetSensorResponse assertion(const Info& sensorInfo);
 
+/**
+ *  @brief Maps the Dbus info to the reading field in the Get sensor reading
+ *         command response.
+ *
+ *  @param[in] sensorInfo - Dbus info related to sensor.
+ *
+ *  @return Response for get sensor reading command.
+ */
+GetSensorResponse eventdata2(const Info& sensorInfo);
+
 } //namespace get
 
 namespace set