update I2C pin names to I2C1
update I2C pin names to I2C1

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