rfkill: Add NFC to the list of supported radios

And return the proper string for it.

Acked-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/uapi/linux/rfkill.h b/include/uapi/linux/rfkill.h
index 2753c6c..058757f 100644
--- a/include/uapi/linux/rfkill.h
+++ b/include/uapi/linux/rfkill.h
@@ -37,6 +37,7 @@
  * @RFKILL_TYPE_WWAN: switch is on a wireless WAN device.
  * @RFKILL_TYPE_GPS: switch is on a GPS device.
  * @RFKILL_TYPE_FM: switch is on a FM radio device.
+ * @RFKILL_TYPE_NFC: switch is on an NFC device.
  * @NUM_RFKILL_TYPES: number of defined rfkill types
  */
 enum rfkill_type {
@@ -48,6 +49,7 @@
 	RFKILL_TYPE_WWAN,
 	RFKILL_TYPE_GPS,
 	RFKILL_TYPE_FM,
+	RFKILL_TYPE_NFC,
 	NUM_RFKILL_TYPES,
 };