update changelog

Author: ibrahimkk-moideen

CHANGELOG.md

@@ -47,6 +47,7 @@ log is based on the [Keep a CHANGELOG](http://keepachangelog.com/) project.
 - HP DL380 module to include CPU metrics and all HP models to include bayNumber in PSU metrics [#57](https://github.com/Comcast/fishymetrics/issues/57)
 - use standard library for http routing instead of gorilla mux package [#47](https://github.com/Comcast/fishymetrics/issues/47)
 - Avoid collecting firmware metrics if count of endpoints are 75 or greater [#77] (https://github.com/Comcast/fishymetrics/issues/77)
+- Support for physical disk and logical drive metrics collection from iLO5 fw ver.3.0.x [#91](https://github.com/Comcast/fishymetrics/issues/91)
 
 ## [0.7.1]