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/Makefile b/drivers/net/wireless/b43legacy/Makefile
index abaa404..80cdb73 100644
--- a/drivers/net/wireless/b43legacy/Makefile
+++ b/drivers/net/wireless/b43legacy/Makefile
@@ -5,6 +5,8 @@
 b43legacy-y				+= radio.o
 b43legacy-y				+= sysfs.o
 b43legacy-y				+= xmit.o
+# b43 RFKILL button support
+b43legacy-$(CONFIG_B43LEGACY_RFKILL)	+= rfkill.o
 # b43legacy LED support
 b43legacy-$(CONFIG_B43LEGACY_LEDS)	+= leds.o
 # b43legacy debugging