Fix a typo in manufacturerDescription() method name

Change-Id: I8f95c6c0aa1ac6c59644828ddf2b82eea4c380a3
diff --git a/openflow/api/src/main/java/org/onosproject/openflow/controller/driver/AbstractOpenFlowSwitch.java b/openflow/api/src/main/java/org/onosproject/openflow/controller/driver/AbstractOpenFlowSwitch.java
index b066298..38f8dbb 100644
--- a/openflow/api/src/main/java/org/onosproject/openflow/controller/driver/AbstractOpenFlowSwitch.java
+++ b/openflow/api/src/main/java/org/onosproject/openflow/controller/driver/AbstractOpenFlowSwitch.java
@@ -347,7 +347,7 @@
     }
 
     @Override
-    public String manfacturerDescription() {
+    public String manufacturerDescription() {
         return this.desc.getMfrDesc();
     }