package/python-requests: needs hashlib for python 2

Requests need hashlib to run with Python 2. Otherwise it is not possible to
import, due to missing e.g. md5.

[Peter: tweak commit message]
Signed-off-by: Sven Haardiek <sven.haardiek@iotec-gmbh.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

(cherry picked from commit 2c2f6f6630294fa256a4f66db5a4ab1f920b0a65)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/python-requests/Config.in

@@ -4,6 +4,7 @@ config BR2_PACKAGE_PYTHON_REQUESTS
 	select BR2_PACKAGE_PYTHON_CHARDET # runtime
 	select BR2_PACKAGE_PYTHON_IDNA # runtime
 	select BR2_PACKAGE_PYTHON_URLLIB3 # runtime
+	select BR2_PACKAGE_PYTHON_HASHLIB if BR2_PACKAGE_PYTHON # runtime
 	select BR2_PACKAGE_PYTHON_SSL if BR2_PACKAGE_PYTHON # runtime
 	select BR2_PACKAGE_PYTHON3_SSL if BR2_PACKAGE_PYTHON3 # runtime
 	select BR2_PACKAGE_PYTHON_ZLIB if BR2_PACKAGE_PYTHON # runtime