wpa_supplicant: AP mode now requires nl80211

Fixes:
http://autobuild.buildroot.net/results/427/4275ea6e9f5a18d2ed42c93bdafbe6cbd50126a9/
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/wpa_supplicant/Config.in

@@ -31,6 +31,7 @@ comment "nl80211 support needs a toolchain w/ threads"
 
 config BR2_PACKAGE_WPA_SUPPLICANT_AP_SUPPORT
 	bool "Enable AP mode"
+	depends on BR2_PACKAGE_WPA_SUPPLICANT_NL80211
 	help
 	  With this option enabled, wpa_supplicant can act as an
 	  access point much like hostapd does with a limited feature set.