[source] tools: tar: use .bz2 archive

[LEDE Commits]

jow pushed a commit to source.git, branch master:
https://git.lede-project.org/adb156600966ed7629471688c81f18cf893ef452

commit adb156600966ed7629471688c81f18cf893ef452
Author: Jo-Philipp Wich <jo at mein.io>
AuthorDate: Thu Oct 6 13:13:20 2016 +0200

    tools: tar: use .bz2 archive
    
    The "tar" utility is required to bootstrap XZ which is required to handle
    .tar.xz archives, therfore revert to using the bz2 archive.
    
    Signed-off-by: Jo-Philipp Wich <jo at mein.io>
---
 tools/tar/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/tar/Makefile b/tools/tar/Makefile
index 4f2c2e5..a619e84 100644
--- a/tools/tar/Makefile
+++ b/tools/tar/Makefile
@@ -9,9 +9,9 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=tar
 PKG_VERSION:=1.29
 
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=@GNU/tar
-PKG_MD5SUM:=a1802fec550baaeecff6c381629653ef
+PKG_MD5SUM:=236b11190c0a3a6885bdb8d61424f2b36a5872869aa3f7f695dea4b4843ae2f2
 
 HOST_BUILD_PARALLEL := 1