Hitachi: Mark HBSD and VSP as unsupported

As per the message sent to the mailing list [1], the HBSD and
VSP drivers should be marked as unsupported.

[1]http://lists.openstack.org/pipermail/openstack/2017-March/018812.html
DocImpact

Change-Id: I921d1a16b28a2f310a483283069ae819ad498228

cinder/volume/drivers/hitachi/hbsd_fc.py

@@ -53,6 +53,8 @@ class HBSDFCDriver(cinder.volume.driver.FibreChannelDriver):
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = ["Hitachi_HBSD_CI", "Hitachi_HBSD2_CI"]
 
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         os.environ['LANG'] = 'C'
         super(HBSDFCDriver, self).__init__(*args, **kwargs)

cinder/volume/drivers/hitachi/hbsd_iscsi.py

@@ -61,6 +61,8 @@ class HBSDISCSIDriver(cinder.volume.driver.ISCSIDriver):
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = ["Hitachi_HBSD_CI", "Hitachi_HBSD2_CI"]
 
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         os.environ['LANG'] = 'C'
         super(HBSDISCSIDriver, self).__init__(*args, **kwargs)

cinder/volume/drivers/hitachi/vsp_fc.py

@@ -65,6 +65,8 @@ class VSPFCDriver(driver.FibreChannelDriver):
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = "Hitachi_VSP_CI"
 
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         """Initialize instance variables."""
         utils.output_log(MSG.DRIVER_INITIALIZATION_START,

cinder/volume/drivers/hitachi/vsp_iscsi.py

@@ -72,6 +72,8 @@ class VSPISCSIDriver(driver.ISCSIDriver):
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = "Hitachi_VSP_CI"
 
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         """Initialize instance variables."""
         utils.output_log(MSG.DRIVER_INITIALIZATION_START,

releasenotes/notes/hitachi-unsupported-drivers-37601e5bfabcdb8f.yaml

@@ -0,0 +1,5 @@
+---
+deprecations:
+  - The Hitachi Block Storage Driver (HBSD) and VSP driver have been marked
+    as unsupported and are now deprecated. enable_unsupported_driver will need
+    to be set to True in cinder.conf to continue to use them.