package/python-pillow: bump to version 5.2.0

This patch bumps python-pillow to version 5.2.0 and adds the hash for
license file.

Signed-off-by: Angelo Compagnucci <angelo@amarulasolutions.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/python-pillow/python-pillow.hash

@@ -1,2 +1,4 @@
-# sha256 from https://pypi.org/project/Pillow/5.1.0/#files
-sha256 cee9bc75bff455d317b6947081df0824a8f118de2786dc3d74a3503fd631f4ef  Pillow-5.1.0.tar.gz
+# sha256 for python-pillow from https://pypi.org/project/Pillow/5.2.0/#files
+# sha256 for LICENSE locally computed
+sha256 f8b3d413c5a8f84b12cd4c5df1d8e211777c9852c6be3ee9c094b626644d3eab  Pillow-5.2.0.tar.gz
+sha256 4960fc18becc286be839c8ff17bd70cd5222533f761129142153443718a25199  LICENSE

package/python-pillow/python-pillow.mk

@@ -4,9 +4,9 @@
 #
 ################################################################################
 
-PYTHON_PILLOW_VERSION = 5.1.0
+PYTHON_PILLOW_VERSION = 5.2.0
 PYTHON_PILLOW_SOURCE = Pillow-$(PYTHON_PILLOW_VERSION).tar.gz
-PYTHON_PILLOW_SITE = https://files.pythonhosted.org/packages/89/b8/2f49bf71cbd0e9485bb36f72d438421b69b7356180695ae10bd4fd3066f5
+PYTHON_PILLOW_SITE = https://files.pythonhosted.org/packages/d3/c4/b45b9c0d549f482dd072055e2d3ced88f3b977f7b87c7a990228b20e7da1
 PYTHON_PILLOW_LICENSE = PIL Software License
 PYTHON_PILLOW_LICENSE_FILES = LICENSE
 PYTHON_PILLOW_SETUP_TYPE = setuptools