Refactored cross connect helpers to optical drivers package.

Change-Id: Iae23025cf0b33c51123911f3ff1249cabc812be2
diff --git a/drivers/optical/pom.xml b/drivers/optical/pom.xml
index b136ea9..c5bcf00 100644
--- a/drivers/optical/pom.xml
+++ b/drivers/optical/pom.xml
@@ -59,6 +59,7 @@
             <groupId>org.onosproject</groupId>
             <artifactId>openflowj</artifactId>
         </dependency>
+
         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onos-of-api</artifactId>