It is a simultaneous upgrade for python 2 and 3 over setuptools.
(From OE-Core rev: f3d565e9dadfdafd32252f3904594cae86492c41)
Signed-off-by: Edwin Plauchu <edwin.plauchu.camacho@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>