added missing descriptions to pom files

Change-Id: I6a8f15ce7cc706ef970dd5c98f6c0320bf8ad821
diff --git a/providers/pcep/tunnel/pom.xml b/providers/pcep/tunnel/pom.xml
index 5451e34..5420a7f 100644
--- a/providers/pcep/tunnel/pom.xml
+++ b/providers/pcep/tunnel/pom.xml
@@ -9,7 +9,7 @@
 	</parent>
 	<artifactId>onos-pcep-provider-tunnel</artifactId>
 	<packaging>bundle</packaging>
-
+    <description>PCEP-based tunnel provider</description>
 	<dependencies>
 		<dependency>
 			<groupId>org.onosproject</groupId>