mac80211: cfg80211 should not depend on rfkill.

If rfkill is build as an module CONFIG_RFKILL_MODULE is set and cfg80211 will also depend on that.
Now all modules build from compat-wireless will not use rfkill.

SVN-Revision: 24143

package/mac80211/patches/002-disable_rfkill.patch

@@ -21,3 +21,16 @@
 +# CONFIG_RFKILL_BACKPORT_INPUT=y
  endif #CONFIG_COMPAT_KERNEL_31
  
+--- a/include/linux/rfkill.h
++++ b/include/linux/rfkill.h
+@@ -3,6 +3,10 @@
+ 
+ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31))
+ 
++#undef CONFIG_RFKILL
++#undef CONFIG_RFKILL_LEDS
++#undef CONFIG_RFKILL_MODULE
++
+ #include_next <linux/rfkill.h>
+ 
+ #else