LISP: Do not show P-ITR generated mapping

Change-Id: I1aa25ef11dc75002cb9b6aac0981af00026e57ce
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
diff --git a/src/vnet/lisp-cp/one_api.c b/src/vnet/lisp-cp/one_api.c
index ab9e7a6..2892409 100644
--- a/src/vnet/lisp-cp/one_api.c
+++ b/src/vnet/lisp-cp/one_api.c
@@ -772,6 +772,9 @@
   u8 *mac = 0;
   ip_prefix_t *ip_prefix = NULL;
 
+  if (mapit->pitr_set)
+    return;
+
   switch (filter)
     {
     case 0:			/* all mappings */