linuxptp: download directly via http

Instead of cloning the released version via git, just download it via
http from sourceforge.

Signed-off-by: Hauke Mehrtens <hauke.mehrtens@intel.com>

net/linuxptp/Makefile

@@ -10,15 +10,12 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=linuxptp
 PKG_VERSION:=1.8
 PKG_RELEASE:=2
-PKG_REV:=891d56e4292653c5c19ac8345159a1f1f5b2df26
 
 PKG_MAINTAINER:=Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
-PKG_SOURCE_URL:=git://git.code.sf.net/p/linuxptp/code
-PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=$(PKG_REV)
-PKG_SOURCE_PROTO:=git
-PKG_MD5SUM:=
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tgz
+PKG_SOURCE_URL:=@SF/$(PKG_NAME)/v$(PKG_VERSION)
+PKG_MD5SUM:=5688cdfe57932273e1dbf35b3b97b9a0
+PKG_HASH:=fa8e00f6ec73cefa7bb313dce7f60dfe5eb9e2bde3353594e9ac18edc93e5165
 
 PKG_LICENSE:=GPL-2.0
 PKG_LICENSE_FILES:=COPYING