added comments about EN/RDY combinational path
added comments about EN/RDY combinational path

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