added $display in case burstLen is invalid
added $display in case burstLen is invalid

Change-Id: I4dd38ee06b869d5b7190af70234f5b36b4632845

8l/connectal,chenm001/connectal,csail-csg/connectal,hanw/connectal,hanw/connectal,csail-csg/connectal,csail-csg/connectal,chenm001/connectal,cambridgehackers/connectal,8l/connectal,chenm001/connectal,cambridgehackers/connectal,cambridgehackers/connectal,chenm001/connectal,csail-csg/connectal,8l/connectal,hanw/connectal,chenm001/connectal,cambridgehackers/connectal,8l/connectal,csail-csg/connectal,8l/connectal,cambridgehackers/connectal,hanw/connectal,hanw/connectal