perf: Depend on native setuptools3

perf has need for python setuptools when scripting is enabled
from 6.0.0 onwards it seems to throw an explicit error

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Cc: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>