added missing descriptions to pom files

Change-Id: I6a8f15ce7cc706ef970dd5c98f6c0320bf8ad821
diff --git a/tools/build/conf/pom.xml b/tools/build/conf/pom.xml
index 0fef75e..e4f8e9d 100644
--- a/tools/build/conf/pom.xml
+++ b/tools/build/conf/pom.xml
@@ -28,6 +28,7 @@
     <groupId>org.onosproject</groupId>
     <artifactId>onos-build-conf</artifactId>
     <version>1.0</version>
+    <description>Various ONOS build settings</description>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>