Add CLI command to view provisioned subscribers

Change-Id: I67a49d7fa569e9f4f28eb8eaea1b34ba2bd5a5fa
diff --git a/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index 5d114f9..aa62d74 100644
--- a/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -37,6 +37,9 @@
                 <null/>
             </completers>
         </command>
+        <command>
+            <action class="org.onosproject.olt.cli.ShowSubscribersCommand"/>
+        </command>
     </command-bundle>
 
     <bean id="deviceIdCompleter" class="org.onosproject.cli.net.DeviceIdCompleter"/>