Add Oplink experimenter messages

Change-Id: I6b0c912fe78fb01081205dc689d3d65dfa151614
diff --git a/java_gen/java_type.py b/java_gen/java_type.py
index 9bce653..72827a1 100644
--- a/java_gen/java_type.py
+++ b/java_gen/java_type.py
@@ -779,6 +779,9 @@
         'of_oxm_och_sigid' : {'value' : sig_id},
         'of_oxm_och_sigid_basic' : {'value' : sig_id},
 
+        'of_oxm_och_sigatt' : { 'value' : u32obj },
+        'of_oxm_och_sigatt_basic' : { 'value' : u32obj },
+
         'of_bundle_add_msg' : { 'data' : of_message },
 
         'of_oxm_exp_odu_sigtype' : { 'value' : u8obj },