Update OMEC user plane for ip fragmentation support

Change-Id: I4272b7a2f2ac3046a04f253932b69e5718a9f2fa
diff --git a/omec/omec-user-plane/templates/config/_spgwu.json.tpl b/omec/omec-user-plane/templates/config/_spgwu.json.tpl
index ba36cc7..3fec6b1 100644
--- a/omec/omec-user-plane/templates/config/_spgwu.json.tpl
+++ b/omec/omec-user-plane/templates/config/_spgwu.json.tpl
@@ -8,5 +8,6 @@
     "ifname": {{ .Values.config.spgwu.sgi.device | quote }}
   },
   "workers": {{ .Values.config.spgwu.workers }},
-  "max_sessions": {{ .Values.config.spgwu.maxSessions }}
+  "max_sessions": {{ .Values.config.spgwu.maxSessions }},
+  "max_ip_defrag_flows": {{ .Values.config.spgwu.maxIpDefragFlows }}
 }