Update the valid disk bus list for qemu and kvm hypervisors

The Nova project has added 'sata' as a valid disk bus for qemu and
kvm hypervisors, see https://review.openstack.org/#/c/459794/6

DocImpact: add to metadefs release note

Related-Bug: #1686136
Change-Id: If8e23756616e46391827ac3d85d287940862613f

api-ref/source/v2/samples/metadef-properties-list-response.json

@@ -8,7 +8,9 @@
                 "uml",
                 "xen",
                 "ide",
-                "usb"
+                "usb",
+                "fdc",
+                "sata"
             ],
             "title": "Disk Bus",
             "type": "string"

doc/source/admin/manage-images.rst

@@ -176,11 +176,17 @@ in the following tables.
 +-------------------------+--------------------------+
 | libvirt\_type setting   | Supported model values   |
 +=========================+==========================+
-| qemu or kvm             | *  ide                   |
+| qemu or kvm             | *  fdc                   |
+|                         |                          |
+|                         | *  ide                   |
 |                         |                          |
 |                         | *  scsi                  |
 |                         |                          |
+|                         | *  sata                  |
+|                         |                          |
 |                         | *  virtio                |
+|                         |                          |
+|                         | *  usb                   |
 +-------------------------+--------------------------+
 | xen                     | *  ide                   |
 |                         |                          |

etc/metadefs/compute-libvirt-image.json

@@ -20,7 +20,9 @@
                 "uml",
                 "xen",
                 "ide",
-                "usb"
+                "usb",
+                "fdc",
+                "sata"
             ]
         },
         "hw_rng_model": {