If you choose to build a module, it'll be called pn533_usb.
Say N if unsure.
+
+config NFC_PN533_I2C
+ tristate "NFC PN533 device support (I2C)"
+ depends on I2C
+ select NFC_PN533
+ ---help---
+ This module adds support for the NXP pn533 I2C interface.
+ Select this if your platform is using the I2C bus.
+
+ If you choose to build a module, it'll be called pn533_i2c.
+ Say N if unsure.