Fixes OpenstackSwitchingDirectPortProvider well even it there's interface added to the device already.

Change-Id: Ie1bdb6a5d65a1b5e964a94921ba919b259e76328
diff --git a/apps/openstacknetworking/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/apps/openstacknetworking/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index b362e1a..84aa7e1 100644
--- a/apps/openstacknetworking/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/apps/openstacknetworking/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -89,9 +89,16 @@
                 <ref component-id="instancePortIdCompleter"/>
             </completers>
         </command>
+        <command>
+            <action class="org.onosproject.openstacknetworking.cli.OpenstackDirectPortAddCommand" />
+            <completers>
+                <ref component-id="directPortCompleter"/>
+            </completers>
+        </command>
     </command-bundle>
 
     <bean id="ipAddressCompleter" class="org.onosproject.openstacknetworking.cli.IpAddressCompleter"/>
+    <bean id="directPortCompleter" class="org.onosproject.openstacknetworking.cli.DirectPortListCompleter"/>
     <bean id="macAddressCompleter" class="org.onosproject.openstacknetworking.cli.MacAddressCompleter"/>
     <bean id="vlanIdCompleter" class="org.onosproject.openstacknetworking.cli.VlanIdCompleter"/>
     <bean id="arpModeCompleter" class="org.onosproject.openstacknetworking.cli.ArpModeCompleter"/>