Workaround 7Y36 model bug
Workaround 7Y36 model bug

7Y36 firmware does not populate u-height.
Workaround the bug by embedding the correct value for the model.

Change-Id: I78481b7ec80956d76e6085855d35cd7c6886a225

openstack/pyghmi,openstack/pyghmi,stackforge/pyghmi