tools: xz: update to version 5.2.1

This adds support for symbol versioning which is needed on
CentOs/RedHat 7 to fix #20134.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 46603

tools/xz/Makefile

@@ -7,11 +7,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=xz
-PKG_VERSION:=5.0.5
+PKG_VERSION:=5.2.1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=http://tukaani.org/xz
-PKG_MD5SUM:=db44efe0d53ac4317627624b98c63da0
+PKG_MD5SUM:=d484910b26fec5aff99ee66350589e29
 
 HOST_BUILD_PARALLEL:=1