Fix Brocade FC driver's use of the fc_fabric_names

The Brocade Fibre Channel Zone Manager driver wasn't
stripping out whitespace in the fc_fabric_names
prior to using them.  This would cause breakage later on
in the driver.

Change-Id: I6d16a35026fdd2f30a92f9dff16435a6c39b699a
Closes-Bug: 1328681
Merge "Fix Brocade FC driver's use of the fc_fabric_names"