add onu_type to gpon configs

Change-Id: I1d3c20af6628ae78d61bdbf4432477132bee78c1
diff --git a/deployment-configs/onf-demo-pod-gpon-DT.yaml b/deployment-configs/onf-demo-pod-gpon-DT.yaml
index 0d70d3f..24d333a 100644
--- a/deployment-configs/onf-demo-pod-gpon-DT.yaml
+++ b/deployment-configs/onf-demo-pod-gpon-DT.yaml
@@ -67,6 +67,7 @@
         olt: EC1912001818
         c_tag: 7
         s_tag: 31
+        onu_type: 'scom'
 
     dst:
       -