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>

package/python-spidev/python-spidev.mk

@@ -7,7 +7,7 @@
 PYTHON_SPIDEV_VERSION = 3.5
 PYTHON_SPIDEV_SOURCE = spidev-$(PYTHON_SPIDEV_VERSION).tar.gz
 PYTHON_SPIDEV_SITE = https://files.pythonhosted.org/packages/62/56/de649e7d95f9fcfaf965a6eb937b4a46bc77ef21487c99cde1a7a0546040
-PYTHON_SPIDEV_SETUP_TYPE = distutils
+PYTHON_SPIDEV_SETUP_TYPE = setuptools
 PYTHON_SPIDEV_LICENSE = MIT
 PYTHON_SPIDEV_LICENSE_FILES = README.md