Improved volt-add-subscriber-access command port list autocomplete

Change-Id: I314784453a4e09030ad3da48594c1d0161f2ef85
diff --git a/impl/src/main/java/org/opencord/olt/cli/SubscriberAddCommand.java b/impl/src/main/java/org/opencord/olt/cli/SubscriberAddCommand.java
index b1a8720..de76903 100644
--- a/impl/src/main/java/org/opencord/olt/cli/SubscriberAddCommand.java
+++ b/impl/src/main/java/org/opencord/olt/cli/SubscriberAddCommand.java
@@ -22,7 +22,6 @@
 import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.cli.net.DeviceIdCompleter;
-import org.onosproject.cli.net.PortNumberCompleter;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.PortNumber;
@@ -43,7 +42,7 @@
 
     @Argument(index = 1, name = "port", description = "Subscriber port number",
             required = true, multiValued = false)
-    @Completion(PortNumberCompleter.class)
+    @Completion(OltUniPortCompleter.class)
     private String strPort = null;
 
     @Override