[RFKILL]: Add support for an rfkill LED.

This adds a LED trigger.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/rfkill/Kconfig b/net/rfkill/Kconfig
index d28a6d9..7f807b3 100644
--- a/net/rfkill/Kconfig
+++ b/net/rfkill/Kconfig
@@ -22,3 +22,10 @@
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called rfkill-input.
+
+# LED trigger support
+config RFKILL_LEDS
+	bool
+	depends on RFKILL && LEDS_TRIGGERS
+	default y
+