only create /dev/connectal with first board
only create /dev/connectal with first board

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