Updating DHCP-l2-relay app version to 2.2.1
and voltha-onos to 4.1.6

Change-Id: I3bad721d6d922dfd6ef2b88b525889f4268e2527
diff --git a/.gitreview b/.gitreview
index 473a40c..01f99a3 100644
--- a/.gitreview
+++ b/.gitreview
@@ -3,4 +3,4 @@
 port=29418
 project=voltha-onos.git
 defaultremote=origin
-defaultbranch=master
+defaultbranch=voltha-2.5
diff --git a/VERSION b/VERSION
index b1cbc1f..561ad33 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.1.5
+4.1.6
diff --git a/dependencies.xml b/dependencies.xml
index 037a0b8..5cf801a 100644
--- a/dependencies.xml
+++ b/dependencies.xml
@@ -27,7 +27,7 @@
         <olt.version>4.2.0</olt.version>
         <sadis.version>5.1.0</sadis.version>
         <aaa.version>2.1.0</aaa.version>
-        <dhcpl2relay.version>2.2.0</dhcpl2relay.version>
+        <dhcpl2relay.version>2.2.1</dhcpl2relay.version>
         <kafka.version>2.4.0</kafka.version>
         <igmpproxy.version>2.1.2</igmpproxy.version>
         <mcast.version>2.1.0</mcast.version>