pc87360 convert thermistor dev-attrs

convert thermistor dev-attrs from macro-initialization to array initialization,
and call device_create_file() in loop on array

$ diffstat 19-therm-arrys-loop
 pc87360.c |   74 
+++++++++++++++++++++++++++++++++++---------------------------
 1 files changed, 42 insertions(+), 32 deletions(-)