Updates ChangeLog for proliantutils release 2.8.2
Updates ChangeLog for proliantutils release 2.8.2

Updates ChangeLog for proliantutils release 2.8.2

This release:

* Redfish: Adds changes to support Sushy virtual media
* Updates sushy requirements to >=1.8.0

Change-Id: I5a834c9227485379557bc7448aee4504c4fb9361

stackforge/proliantutils,openstack/proliantutils