package/tzdata: bump to latest version 2014a

Adds new definition for Turkish DST.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/tzdata/tzdata.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-TZDATA_VERSION = 2013i
+TZDATA_VERSION = 2014a
 TZDATA_SOURCE = tzdata$(TZDATA_VERSION).tar.gz
 TZDATA_SITE = ftp://ftp.iana.org/tz/releases
 TZDATA_DEPENDENCIES = host-zic