package/python-bitstring: bump to version 3.1.6

Also add hash for license file, and take into account the switch to
setuptools for setup.py.

Signed-off-by: Asaf Kahlon <asafka7@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/python-bitstring/python-bitstring.hash

@@ -1,2 +1,5 @@
-# Locally computed:
-sha256	b769620c1b52d6c1548c6c4f055613f4eee3120ed8a5cff4ba4ffbbc8a582286  bitstring-3.1.5.tar.gz
+# md5, sha256 from https://pypi.org/pypi/bitstring/json
+md5	38372014dd629be75c3a0ff7d799aa3f  bitstring-3.1.6.tar.gz
+sha256	c97a8e2a136e99b523b27da420736ae5cb68f83519d633794a6a11192f69f8bf  bitstring-3.1.6.tar.gz
+# Locally computed sha256 checksums
+sha256	2e97cff64585d7cb66190ad298e9d77fd791e8b91bcc97967fa743edf8c2ba1b  LICENSE

package/python-bitstring/python-bitstring.mk

@@ -4,10 +4,10 @@
 #
 ################################################################################
 
-PYTHON_BITSTRING_VERSION = 3.1.5
+PYTHON_BITSTRING_VERSION = 3.1.6
 PYTHON_BITSTRING_SOURCE = bitstring-$(PYTHON_BITSTRING_VERSION).tar.gz
-PYTHON_BITSTRING_SITE = https://github.com/scott-griffiths/bitstring/archive
-PYTHON_BITSTRING_SETUP_TYPE = distutils
+PYTHON_BITSTRING_SITE = https://files.pythonhosted.org/packages/f4/87/fe6f7093088f4396e84c1b5d5dfb08c4840487ad46ff4805b7008c8f5ffc
+PYTHON_BITSTRING_SETUP_TYPE = setuptools
 PYTHON_BITSTRING_LICENSE = MIT
 PYTHON_BITSTRING_LICENSE_FILES = LICENSE