Move the manually-generated XML table file

cinder-netapp_cdot_extraspecs.xml is not autogenerated and I often end
up deleting it while working on the config-reference. Having it moved to
another directory should make things a little less painful.

Change-Id: I9ca4af5bf8113d2d2240e35bf504a035510cb5f6

doc/config-reference/block-storage/drivers/netapp-volume-driver.xml

@@ -305,7 +305,7 @@ nfs_shares_config = <replaceable>/etc/cinder/nfs_shares</replaceable></programli
                 define OpenStack Block Storage volume types by using the
                     <command>cinder type-key</command> command.</para>
             <xi:include
-                href="../../../common/tables/cinder-netapp_cdot_extraspecs.xml"/>
+                href="../../../common/tables/manual/cinder-netapp_cdot_extraspecs.xml"/>
         </section>
     </section>
     <section xml:id="ontap-7mode-family">