documented the files generated by make bits
documented the files generated by make bits

Change-Id: I596b57a4770684befeb7957fba3684bea5bb989a

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