Fix xmpp project structure problem

+ error-prone bug fix

Change-Id: I5098f1052a3b287b0990959d4d9d83ab7477cdad
diff --git a/providers/xmpp/pom.xml b/providers/xmpp/pom.xml
index 3ce40d1..2b15f99 100644
--- a/providers/xmpp/pom.xml
+++ b/providers/xmpp/pom.xml
@@ -9,10 +9,11 @@
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
-    <artifactId>onos-xmpp-providers</artifactId>
+    <artifactId>onos-providers-xmpp</artifactId>
+    <packaging>pom</packaging>
 
     <modules>
-        <module>onos-xmpp-provider-device</module>
+        <module>device</module>
     </modules>
 
-</project>
\ No newline at end of file
+</project>