added dependence from prebuild to IP core generation
added dependence from prebuild to IP core generation

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