Add a new function to read the NFC status. Meantime, this function will
check if there is any errors in NFC.
Signed-off-by: NJosh Wu <josh.wu@atmel.com>
Tested-by: NMatthieu Crapet <Matthieu.Crapet@ingenico.com>
Signed-off-by: NBrian Norris <computersforpeace@gmail.com>