doc: add missing permission for the vCenter service account

The service account that is being used by Nova needs "Profile-driven
storage view" permission for SPBM[0] to work. It is located under the
"Profile-driven storage" node in the Privileges tree.
This patch fixes the doc to address this.

[0] https://blueprints.launchpad.net/nova/+spec/vmware-spbm-support

Change-Id: I026b2394e6aa2fef8b1990923f9dcf8b3945175c

doc/source/admin/configuration/hypervisor-vmware.rst

@@ -384,6 +384,14 @@ and select the :guilabel:`Propagate to Child Objects` option.
      -
      -
      - Remove snapshot
+   * -
+     - Profile-driven storage
+     -
+     -
+   * -
+     -
+     - Profile-driven storage view
+     -
    * -
      - Sessions
      -