Add Sensor Reading Support for Power Supply Derating

Change-Id: I0eb106c37c33db01937ec61dd5553b5799651633
Signed-off-by: Jayanth Othayoth <ojayanth@in.ibm.com>
diff --git a/sensorhandler.cpp b/sensorhandler.cpp
index 121f1f0..38f84d4 100644
--- a/sensorhandler.cpp
+++ b/sensorhandler.cpp
@@ -42,6 +42,7 @@
     {0xC2, 0x6F, "PowerCap"},
     {0xD8, 0x03, "PowerSupplyRedundancy"},
     {0xDA, 0x03, "TurboAllowed"},
+    {0xB4, 0x6F, "PowerSupplyDerating"},
     {0xFF, 0x00, ""},
 };