Separate the OF Polatis driver

Change-Id: I3678be3e06da9064824e3694e5119f80541fa056
diff --git a/modules.defs b/modules.defs
index 9611f17..481fe94 100644
--- a/modules.defs
+++ b/modules.defs
@@ -113,6 +113,7 @@
     '//drivers/p4runtime:onos-drivers-p4runtime-oar',
     '//drivers/gnmi:onos-drivers-gnmi-oar',
     '//drivers/polatis/netconf:onos-drivers-polatis-netconf-oar',
+    '//drivers/polatis/openflow:onos-drivers-polatis-openflow-oar',
 ]
 
 ONOS_PROVIDERS = [