wpa_supplicant: add option to enable Wi-Fi Display

BR2_PACKAGE_WPA_SUPPLICANT_WIFI_DISPLAY depends on
BR2_PACKAGE_WPA_SUPPLICANT_AP_SUPPORT because CONFIG_WIFI_DISPLAY needs
CONFIG_P2P.

Signed-off-by: Georges Savoundararadj <savoundg@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/wpa_supplicant/Config.in

@@ -38,6 +38,12 @@ config BR2_PACKAGE_WPA_SUPPLICANT_AP_SUPPORT
 	  making it bigger but dispensing the need for a separate hostapd
 	  binary in some applications hence being smaller overall.
 
+config BR2_PACKAGE_WPA_SUPPLICANT_WIFI_DISPLAY
+	bool "Enable Wi-Fi Display"
+	depends on BR2_PACKAGE_WPA_SUPPLICANT_AP_SUPPORT
+	help
+	  Enable support for Wi-Fi Display
+
 config BR2_PACKAGE_WPA_SUPPLICANT_AUTOSCAN
 	bool "Enable autoscan"
 	help

package/wpa_supplicant/wpa_supplicant.mk

@@ -68,6 +68,10 @@ WPA_SUPPLICANT_CONFIG_ENABLE += \
 	CONFIG_P2P
 endif
 
+ifeq ($(BR2_PACKAGE_WPA_SUPPLICANT_WIFI_DISPLAY),y)
+WPA_SUPPLICANT_CONFIG_ENABLE += CONFIG_WIFI_DISPLAY
+endif
+
 ifeq ($(BR2_PACKAGE_WPA_SUPPLICANT_AUTOSCAN),y)
 WPA_SUPPLICANT_CONFIG_ENABLE += \
 	CONFIG_AUTOSCAN_EXPONENTIAL \