package/wpa_supplicant: install D-Bus policy to datadir

Since D-Bus 1.14.0 installing default policies into sysconfdir (/etc)
is deprecated, they should go into datadir (/usr/share) instead
[1]. Follow that policy.

[1] https://gitlab.freedesktop.org/dbus/dbus/-/blob/8f1e00427f7048f8b24c3a1cfca8903254fe00d4/NEWS#L274-283

Signed-off-by: Fiona Klute (WIWA) <fiona.klute@gmx.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/wpa_supplicant/wpa_supplicant.mk

@@ -254,7 +254,7 @@ ifeq ($(BR2_PACKAGE_DBUS),y)
 define WPA_SUPPLICANT_INSTALL_DBUS
 	$(INSTALL) -m 0644 -D \
 		$(@D)/wpa_supplicant/dbus/dbus-wpa_supplicant.conf \
-		$(TARGET_DIR)/etc/dbus-1/system.d/wpa_supplicant.conf
+		$(TARGET_DIR)/usr/share/dbus-1/system.d/wpa_supplicant.conf
 	$(WPA_SUPPLICANT_INSTALL_DBUS_NEW)
 endef
 endif