package/python-spidev: switch to setuptools
spidev uses setuptools since version 3.5 and
https://github.com/doceme/py-spidev/commit/3bb2f3b4061f62f283ec2a525e2de60d7f572b41
Fixes:
- http://autobuild.buildroot.org/results/619b9e9844e33fa8e111d6db09eee8450fedb660
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>