package/rauc: add systemd service file hook

Signed-off-by: Bartosz Bilas <b.bilas@grinn-global.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/rauc/rauc.mk

@@ -30,6 +30,12 @@ ifeq ($(BR2_PACKAGE_SYSTEMD),y)
 RAUC_DEPENDENCIES += systemd
 endif
 
+define RAUC_INSTALL_INIT_SYSTEMD
+	mkdir -p $(TARGET_DIR)/etc/systemd/system/multi-user.target.wants
+	ln -sf ../../../../lib/systemd/system/rauc.service \
+		$(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/rauc.service
+endef
+
 HOST_RAUC_DEPENDENCIES = \
 	host-pkgconf \
 	host-openssl \