b43legacy: RF-kill support

This adds full support for the RFKILL button and the RFKILL LED trigger.

This is a port to b43legacy of a patch by Michael Buesch <mb@bu3sch.de>
for b43.

Signed-off-by: Larry Finger<Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h
index 41243ba..fe2af06 100644
--- a/drivers/net/wireless/b43legacy/b43legacy.h
+++ b/drivers/net/wireless/b43legacy/b43legacy.h
@@ -19,6 +19,7 @@
 
 #include "debugfs.h"
 #include "leds.h"
+#include "rfkill.h"
 #include "phy.h"
 
 
@@ -592,6 +593,9 @@
 	u8 rng_initialized;
 	char rng_name[30 + 1];
 
+	/* The RF-kill button */
+	struct b43legacy_rfkill rfkill;
+
 	/* List of all wireless devices on this chip */
 	struct list_head devlist;
 	u8 nr_devs;
@@ -667,6 +671,7 @@
 	struct b43legacy_led led_tx;
 	struct b43legacy_led led_rx;
 	struct b43legacy_led led_assoc;
+	struct b43legacy_led led_radio;
 
 	/* Reason code of the last interrupt. */
 	u32 irq_reason;