b43legacy: fix kconfig dependecies for rfkill and leds

Fix dependencies for built-in b43legacy.

The patch to b43 by Michael Buesch <mb@bu3sch.de> has been ported to
b43legacy.
Signed-off-by: NStefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43legacy/Kconfig

@@ -35,15 +35,19 @@ config B43LEGACY_PCICORE_AUTOSELECT
 	default y
 
 # LED support
+# This config option automatically enables b43legacy LEDS support,
+# if it's possible.
 config B43LEGACY_LEDS
 	bool
-	depends on B43LEGACY && MAC80211_LEDS
+	depends on B43LEGACY && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = B43LEGACY)
 	default y
 
 # RFKILL support
+# This config option automatically enables b43legacy RFKILL support,
+# if it's possible.
 config B43LEGACY_RFKILL
 	bool
-	depends on B43LEGACY && RFKILL && RFKILL_INPUT && INPUT_POLLDEV
+	depends on B43LEGACY && (RFKILL = y || RFKILL = B43LEGACY) && RFKILL_INPUT && (INPUT_POLLDEV = y || INPUT_POLLDEV = B43LEGACY)
 	default y
 
 config B43LEGACY_DEBUG