Revert "python-pytrie: bump to version 0.3"

This reverts commit b0c7bd34286b39192dc8958dcf2140b240032b19, which
causes some build failures.

Fixes:

  http://autobuild.buildroot.net/results/e4209a2209bba769c264f8c4c6dfe2995443c243/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/python-pytrie/python-pytrie.hash

@@ -1,3 +1,3 @@
-# md5 from https://pypi.python.org/pypi/pytrie/json, sha256 locally computed
-md5 32d824476a5beab2bc79620fb5871cd2 PyTrie-0.3.tar.gz
-sha256 0c1bd0cb7c301b193da4bcf31bdf68bbdbea88be4bea5f680caecc56d9b74020 PyTrie-0.3.tar.gz
+# md5 from https://pypi.python.org/pypi?:action=show_md5&digest=5997b46c854a68bc588f4527c987663a, sha256 locally computed.
+md5	5997b46c854a68bc588f4527c987663a  PyTrie-0.2.tar.gz
+sha256	b272021351efadc6757591aac03ed4794bdfd091122204a4673e94bfb66cc500  PyTrie-0.2.tar.gz

package/python-pytrie/python-pytrie.mk

@@ -4,8 +4,8 @@
 #
 ################################################################################
 
-PYTHON_PYTRIE_VERSION = 0.3
-PYTHON_PYTRIE_SITE = https://pypi.python.org/packages/aa/4a/3a3e7e95cb6202192c268043bed586f299e5b72b2650ece4614f60aecf2b
+PYTHON_PYTRIE_VERSION = 0.2
+PYTHON_PYTRIE_SITE = http://pypi.python.org/packages/source/P/PyTrie
 PYTHON_PYTRIE_SOURCE = PyTrie-$(PYTHON_PYTRIE_VERSION).tar.gz
 PYTHON_PYTRIE_LICENSE = BSD-3c
 PYTHON_PYTRIE_LICENSE_FILES = LICENSE