Fixed OVSDB dependencies

Change-Id: I252f44e7defd58d2714c9f6c00e6cfcd54c1a06e
diff --git a/drivers/ovsdb/BUCK b/drivers/ovsdb/BUCK
index 6015611..97f83c0 100644
--- a/drivers/ovsdb/BUCK
+++ b/drivers/ovsdb/BUCK
@@ -23,5 +23,5 @@
     category = 'Drivers',
     url = 'http://onosproject.org',
     description = 'ONOS OVSDB Device Drivers application.',
-    required_apps = [ 'org.onosproject.ovsdb' ],
+    required_apps = [ 'org.onosproject.ovsdb-base' ],
 )