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/Kconfig b/drivers/net/wireless/b43legacy/Kconfig
index 1bf7775..68e05f0 100644
--- a/drivers/net/wireless/b43legacy/Kconfig
+++ b/drivers/net/wireless/b43legacy/Kconfig
@@ -37,7 +37,13 @@
 # LED support
 config B43LEGACY_LEDS
 	bool
-	depends on MAC80211_LEDS
+	depends on B43LEGACY && MAC80211_LEDS
+	default y
+
+# RFKILL support
+config B43LEGACY_RFKILL
+	bool
+	depends on B43LEGACY && RFKILL
 	default y
 
 config B43LEGACY_DEBUG