NFC: port100: Fix possible buffer overflow

The arrays for protocols and rf techs must define a number of entries
corresponding to their maximum possible index values.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>