Updating CassiniDriver according to testing with IPI

Change-Id: Ia183f0a9ef432909aafa5480ee5b740425aa1832
diff --git a/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/CassiniModulationConfig.java b/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/CassiniModulationConfig.java
index 163bfb5..a271132 100644
--- a/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/CassiniModulationConfig.java
+++ b/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/CassiniModulationConfig.java
@@ -209,7 +209,7 @@
             XMLConfiguration xconf = NetconfSessionUtility.executeRpc(session, rpcReq.toString());
             try {
                 HierarchicalConfiguration config =
-                        xconf.configurationAt("data/components/component/optical-channel/config");
+                        xconf.configurationAt("components/component/optical-channel/config");
 
                 String modulationScheme = String.valueOf(config.getString("modulation"));