package/wpa_supplicant: adapt to systemctl preset-all

All services were installed but not enabled.

This change enables the non-templated service but disables the
templated ones.

Enabling the templates creates weird links which are probably an
upstream bug.

Signed-off-by: Jérémy Rosen <jeremy.rosen@smile.fr>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/wpa_supplicant/50-wpa_supplicant.preset

@@ -0,0 +1,4 @@
+disable wpa_supplicant@.service
+disable wpa_supplicant-nl80211@.service
+disable wpa_supplicant-wired@.service
+

package/wpa_supplicant/wpa_supplicant.mk

@@ -227,6 +227,8 @@ define WPA_SUPPLICANT_INSTALL_INIT_SYSTEMD
 		$(TARGET_DIR)/usr/lib/systemd/system/wpa_supplicant-nl80211@.service
 	$(INSTALL) -m 0644 -D $(@D)/$(WPA_SUPPLICANT_SUBDIR)/systemd/wpa_supplicant-wired@.service \
 		$(TARGET_DIR)/usr/lib/systemd/system/wpa_supplicant-wired@.service
+	$(INSTALL) -D -m 644 $(WPA_SUPPLICANT_PKGDIR)/50-wpa_supplicant.preset \
+		$(TARGET_DIR)/usr/lib/systemd/system-preset/50-wpa_supplicant.preset
 endef
 
 $(eval $(generic-package))