Move dbus connection into base sensor object

This seems common through most sensors, might as
well move it for consistency.

Tested: sensors operational as normal

Change-Id: I4e6c55cbb7171ee51700015f8c2ef8c05c90fb4e
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/src/HwmonTempSensor.cpp b/src/HwmonTempSensor.cpp
index 35dc5f3..eaaa9e8 100644
--- a/src/HwmonTempSensor.cpp
+++ b/src/HwmonTempSensor.cpp
@@ -48,7 +48,7 @@
     const std::string& sensorConfiguration, const PowerState powerState) :
     Sensor(boost::replace_all_copy(sensorName, " ", "_"),
            std::move(_thresholds), sensorConfiguration, objectType, maxReading,
-           minReading, powerState),
+           minReading, conn, powerState),
     std::enable_shared_from_this<HwmonTempSensor>(), objServer(objectServer),
     inputDev(io, open(path.c_str(), O_RDONLY)), waitTimer(io), path(path)
 {