usbmuxd: enable systemd support

This is needed as the options loop is totally broken and doesn't accept
both -f and -z together.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

utils/usbmuxd/Makefile

@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=usbmuxd
 PKG_SOURCE_DATE:=2020-01-20
 PKG_SOURCE_VERSION:=8a69f1a78a58476f77b66916091d2405d0cd815f
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=https://github.com/libimobiledevice/usbmuxd
@@ -49,7 +49,7 @@ define Package/usbmuxd/conffiles
 /etc/lockdown/SystemConfiguration.plist
 endef
 
-CONFIGURE_ARGS += --without-systemd
+CONFIGURE_ARGS += --with-systemd
 
 define Package/usbmuxd/install
 	$(INSTALL_DIR) $(1)/etc/init.d

utils/usbmuxd/files/usbmuxd.init

@@ -7,7 +7,7 @@ PROG=/usr/sbin/usbmuxd
 
 start_service() {
 	procd_open_instance
-	procd_set_param command $PROG -f
+	procd_set_param command $PROG --systemd
 	procd_set_param stderr 1
 	procd_close_instance
 }