added mkAxiStream instances for FIFOF
added mkAxiStream instances for FIFOF

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