This change adds the FIBRE_CHANNEL as a supported protocol to the
brick cinderclient extension. The change was tested with a 3PAR
storage backend and a Debian 9.2 Host OS installation.
Cinder volume driver used for testing was:
cinder.volume.drivers.hpe.hpe_3par_fc.HPE3PARFCDriver
Storage backend hardware used for testing was:
HP 3PAR 7400c
Amended to resolve pep8/documentation errors as reported by Zuul
Change-Id: Ie7e8b7e3141600de0d711a7bca94256d4d7f58ab