wpan-tools: cleanup Makefile

- Use SPDX
- Add PKG_RELEASE
- Change wpan.cakelab.org to linux-wpan.org/wpan-tools.html
- Switch to github.com as PKG_SOURCE_URL

Signed-off-by: Nick Hainke <vincent@systemli.org>

package/network/utils/wpan-tools/Makefile

@@ -1,26 +1,25 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2015 OpenWrt.org
 #
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
 
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=wpan-tools
 PKG_VERSION:=0.7
+PKG_RELEASE=1
 
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_SOURCE_URL:=http://wpan.cakelab.org/releases/
-PKG_HASH:=c16de9d7861c2d9b6a4436a0fac730f9f545ee290b92bc770c538ec6a3f22309
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=https://github.com/linux-wpan/wpan-tools/releases/download/$(PKG_NAME)-$(PKG_VERSION)/$(PKG_NAME)-$(PKG_VERSION).tar.gz?
+PKG_HASH:=8b690ff0e71e08bece5ec541223fda7abd2d5552d97d3d25b4967609b58fef00
 
 include $(INCLUDE_DIR)/package.mk
 
 define Package/wpan-tools
   SECTION:=net
   CATEGORY:=Network
   TITLE:=cfg802154 interface configuration utility
-  URL:=http://wpan.cakelab.org/
+  URL:=https://linux-wpan.org/wpan-tools.html
   DEPENDS:= +libnl
 endef