With OpenSSL 1.1.x TLS 1.3 can be used, so backport a patch from Python 3.6 to
fix the ftplib unit test.
(From OE-Core rev: a31047bec6b7c368674d4620e70e526ac211b936)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>