Needing the Windows distutils installer stubs is quite a niche requirement, so
put them into a separate package and just recommend it.
This can save both space and legal pain, as the installers embed an old zlib
that has known CVEs.
(From OE-Core rev: 617331a42fc5bde0c2d8d0f4dd8df652daa28778)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>