Update cinder config reference tables

The mapping file and xml table have been generated using the autohelp.py script
from openstack-doc-tools.

Change-Id: Iec1d8b7d17a5b2b666b0faf7aed141c7179d0440

doc/common/tables/cinder-api.xml

@@ -38,6 +38,10 @@
                        <td>enable_v2_api = True</td>
                        <td>(BoolOpt) Deploy v2 of the Cinder API.</td>
               </tr>
+              <tr>
+                       <td>max_header_line = 16384</td>
+                       <td>(IntOpt) Maximum line size of message headers to be accepted. max_header_line may need to be increased when using large tokens (typically those generated by the Keystone v3 API with big service catalogs).</td>
+              </tr>
               <tr>
                        <td>osapi_max_limit = 1000</td>
                        <td>(IntOpt) the maximum number of items returned in a single response from a collection resource</td>
@@ -66,6 +70,10 @@
                        <td>osapi_volume_listen_port = 8776</td>
                        <td>(IntOpt) port for os volume api to listen</td>
               </tr>
+              <tr>
+                       <td>osapi_volume_workers = None</td>
+                       <td>(IntOpt) Number of workers for OpenStack Volume API service</td>
+              </tr>
               <tr>
                        <td>transfer_api_class = cinder.transfer.api.API</td>
                        <td>(StrOpt) The full class name of the volume transfer API class</td>