tzdata: bump to version 2017b

Cc: Martin Bark <martin@barkynet.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/tzdata/tzdata.hash

@@ -1,2 +1,2 @@
-# From http://mm.icann.org/pipermail/tz-announce/2017-February/000045.html
-sha512 fe57930711998a0755749a2bf1b32fdbc9e6ee249762017beea52eae7e521236396300fe2d79298fd81eb6d73fb7567884c35995ed248be06188329d937e3873	tzdata2017a.tar.gz
+# From http://mm.icann.org/pipermail/tz-announce/2017-March/000046.html
+sha512 3e090dba1f52e4c63b4930b28f4bf38b56aabd6728f23094cb5801d10f4e464f17231f17b75b8866714bf98199c166ea840de0787b75b2274aa419a4e14bbc4d	tzdata2017b.tar.gz

package/tzdata/tzdata.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-TZDATA_VERSION = 2017a
+TZDATA_VERSION = 2017b
 TZDATA_SOURCE = tzdata$(TZDATA_VERSION).tar.gz
 TZDATA_SITE = http://www.iana.org/time-zones/repository/releases
 TZDATA_STRIP_COMPONENTS = 0