added ac701 board
added ac701 board

Change-Id: I483ef68ec44b21eb7b289179c8f49d6c4ebc96fc

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