COMAC-168,COMAC-171 [omec-dp] Change sriov configs and enable nodePort

- Change sriov configs to help user configure more easily
- Enable nodePort for CP-DP communication when CP and DP are deployed in
  separate clusters, diabled by default

Change-Id: I0e2520d66f2240a2888673d930487dcf112861a0
diff --git a/omec/omec-data-plane/templates/bin/_spgwu-run.sh.tpl b/omec/omec-data-plane/templates/bin/_spgwu-run.sh.tpl
index 9c185c0..ff0e476 100644
--- a/omec/omec-data-plane/templates/bin/_spgwu-run.sh.tpl
+++ b/omec/omec-data-plane/templates/bin/_spgwu-run.sh.tpl
@@ -17,12 +17,11 @@
 
 set -ex
 
-RUN_DIR=${RUN_DIR:-"/opt/dp"}
-mkdir -p $RUN_DIR/config
-cd $RUN_DIR/config
+mkdir -p /opt/dp/config
+cd /opt/dp/config
 cp /etc/dp/config/{cdr.cfg,dp_config.cfg,interface.cfg} .
 
-sed -i "s/DP_ADDR/$DP_ADDR/g" interface.cfg
+sed -i "s/DP_ADDR/$POD_IP/g" interface.cfg
 
 source dp_config.cfg
 ngic_dataplane $EAL_ARGS -- $APP_ARGS