support for ue ip-address allocation via upf in 5g

Change-Id: I17293bb4fc3478bda839b8b265be9ac82cc21732
diff --git a/sd-core-5g-values.yaml b/sd-core-5g-values.yaml
index e513e1f..3052708 100644
--- a/sd-core-5g-values.yaml
+++ b/sd-core-5g-values.yaml
@@ -176,6 +176,8 @@
           cpiface:
             dnn: "internet"
             hostname: "upf"
+            enable_ue_ip_alloc: false
+            ue_ip_pool: "172.250.0.0/16"
 
 5g-ran-sim:
   enable: ${ENABLE_GNBSIM}