batctl: Switch to OpenWrt package template

The OpenWrt routing feed was tried to be merged together with the OpenWrt
package feed. But they ended up being rejected due to formalities like the
slightly different package template. Just moving to the OpenWrt package
based one should simplify similar approaches in the future.

Signed-off-by: Sven Eckelmann <sven@narfation.org>

batctl/Makefile

@@ -1,34 +1,28 @@
-#
-# Copyright (C) 2014 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
+# SPDX-License-Identifier: GPL-2.0-only
 
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=batctl
-
 PKG_VERSION:=2020.0
 PKG_RELEASE:=1
-PKG_HASH:=60efe9b148f66aa1b29110493244dc9f1f1d722e6d96969e4d4b2c0ab9278104
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://downloads.open-mesh.org/batman/releases/batman-adv-$(PKG_VERSION)
+PKG_HASH:=60efe9b148f66aa1b29110493244dc9f1f1d722e6d96969e4d4b2c0ab9278104
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
+
+PKG_MAINTAINER:=Simon Wunderlich <sw@simonwunderlich.de>
 PKG_LICENSE:=GPL-2.0-only ISC MIT
 PKG_LICENSE_FILES:=LICENSES/preferred/GPL-2.0 LICENSES/preferred/MIT LICENSES/deprecated/ISC
 
-PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
-
 include $(INCLUDE_DIR)/package.mk
 
 define Package/batctl/Default
-  URL:=https://www.open-mesh.org/
   SECTION:=net
   CATEGORY:=Network
+  URL:=https://www.open-mesh.org/
   DEPENDS:=+libnl-tiny +libc +librt
   PROVIDES:=batctl
-  MAINTAINER:=Simon Wunderlich <sw@simonwunderlich.de>
 endef
 
 define Package/batctl/description