Depending on latest sadis 5.3.0 API version and ONOS 2.2.8

Change-Id: I1bf9c7e941d19ec5f07474d27d5238604f581a12
diff --git a/pom.xml b/pom.xml
index 6fe95e7..bb2dc24 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-dependencies</artifactId>
-        <version>2.2.8-b3</version>
+        <version>2.2.8</version>
     </parent>
 
     <groupId>org.opencord</groupId>
@@ -31,7 +31,7 @@
     <description>PPPoE Intermediate Agent</description>
 
     <properties>
-        <sadis.api.version>5.2.0</sadis.api.version>
+        <sadis.api.version>5.3.0</sadis.api.version>
     </properties>
 
     <modules>