package/wpa_supplicant: enable libnl for the WIRED driver

BR2_PACKAGE_WPA_SUPPLICANT_WIRED also enables the MACSEC_LINUX
driver. This driver requires libnl.

Also fix CONFIG_DRIVER_MACSEC option to enable only the generic
Linux driver and not QCA extensions.

Fixes:
http://autobuild.buildroot.net/results/2dea7dee521794b306cc610601fda322987e6cd0

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Reviewed-by: Sergey Matyukevich <geomatsi@gmail.com>
[Arnout: add Config.in comment, simplify CONFIG_ENABLE]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 4bd8bbe9fb7e5c34e6062004de53948eff78e6c9)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/wpa_supplicant/Config.in

@@ -41,12 +41,17 @@ config BR2_PACKAGE_WPA_SUPPLICANT_WEXT
 
 config BR2_PACKAGE_WPA_SUPPLICANT_WIRED
 	bool "Enable wired support"
+	depends on BR2_TOOLCHAIN_HAS_THREADS # libnl
+	select BR2_PACKAGE_LIBNL
 	select BR2_PACKAGE_WPA_SUPPLICANT_EAP
 	help
 	  Include the "wired" driver, so the internal IEEE 802.1x
 	  supplicant can be used with Ethernet.  This also enables
 	  support for MACSEC.
 
+comment "wired support needs a toolchain w/ threads"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS
+
 comment "wpa_supplicant will be useless without at least one driver"
 	depends on !BR2_PACKAGE_WPA_SUPPLICANT_NL80211 && \
 		!BR2_PACKAGE_WPA_SUPPLICANT_WEXT && \

package/wpa_supplicant/wpa_supplicant.mk

@@ -63,11 +63,18 @@ WPA_SUPPLICANT_CONFIG_DISABLE += \
 	CONFIG_FILS
 endif
 
-ifeq ($(BR2_PACKAGE_WPA_SUPPLICANT_WIRED),)
+ifeq ($(BR2_PACKAGE_WPA_SUPPLICANT_WIRED),y)
+WPA_SUPPLICANT_DEPENDENCIES += host-pkgconf libnl
+WPA_SUPPLICANT_CONFIG_ENABLE += \
+	CONFIG_LIBNL32 \
+	CONFIG_DRIVER_WIRED \
+	CONFIG_MACSEC \
+	CONFIG_DRIVER_MACSEC_LINUX
+else
 WPA_SUPPLICANT_CONFIG_DISABLE += \
 	CONFIG_DRIVER_WIRED \
 	CONFIG_MACSEC \
-	CONFIG_DRIVER_MACSEC
+	CONFIG_DRIVER_MACSEC_LINUX
 endif
 
 ifeq ($(BR2_PACKAGE_WPA_SUPPLICANT_HOTSPOT),)