Use version 2.2.1 of parent pom

Use version 2.2.1 of parent pom to pick up change to ccsdk.sli.version

Issue-ID: CCSDK-3444
Signed-off-by: Dan Timoney <dtimoney@att.com>
Change-Id: I5e26185dc779a61184236567403f971e1dc16fe7
diff --git a/sdnr/wt/mountpoint-state-provider/provider/pom.xml b/sdnr/wt/mountpoint-state-provider/provider/pom.xml
index b786465..b321161 100644
--- a/sdnr/wt/mountpoint-state-provider/provider/pom.xml
+++ b/sdnr/wt/mountpoint-state-provider/provider/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.onap.ccsdk.parent</groupId>
         <artifactId>binding-parent</artifactId>
-        <version>2.2.0</version>
+        <version>2.2.1</version>
         <relativePath/>
     </parent>