[VOL-936] Add changes in voltctl for Onu distance from OLT

Change-Id: If3d7a3f72ac876f495f202f928d244b1ee6e64c5
diff --git a/internal/pkg/commands/command.go b/internal/pkg/commands/command.go
index 8e3ced7..9330b0c 100644
--- a/internal/pkg/commands/command.go
+++ b/internal/pkg/commands/command.go
@@ -90,8 +90,9 @@
 			"ID": "common.ID",
 		},
 		"v3": {
-			"ID":   "common.ID",
-			"port": "voltha.Port",
+			"ID":             "common.ID",
+			"port":           "voltha.Port",
+			"ValueSpecifier": "common.ValueSpecifier",
 		},
 	}