QMX switches require the unicast flow being installed before multicast flow in TMAC table

Change-Id: I2258f7ecceb9a151c4ce65518e9553fe371cf3ac
diff --git a/drivers/default/src/main/java/org/onosproject/driver/pipeline/ofdpa/Ofdpa3QmxPipeline.java b/drivers/default/src/main/java/org/onosproject/driver/pipeline/ofdpa/Ofdpa3QmxPipeline.java
index d989217..418cfbf 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/pipeline/ofdpa/Ofdpa3QmxPipeline.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/pipeline/ofdpa/Ofdpa3QmxPipeline.java
@@ -41,4 +41,9 @@
     protected boolean supportIpv6L4Dst() {
         return false;
     }
+
+    @Override
+    protected boolean requireUnicastBeforeMulticast() {
+        return true;
+    }
 }