package/python-minimalmodbus: fix empty package

Calling `setup.py` build builds and installs  an empty package
after upstream changed their packaging. Calling setuptools via
`python -m build` builds the package correctly.

Signed-off-by: Marcus Hoffmann <bubu@bubu1.eu>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/python-minimalmodbus/python-minimalmodbus.mk

@@ -7,7 +7,8 @@
 PYTHON_MINIMALMODBUS_VERSION = 2.1.1
 PYTHON_MINIMALMODBUS_SOURCE = minimalmodbus-$(PYTHON_MINIMALMODBUS_VERSION).tar.gz
 PYTHON_MINIMALMODBUS_SITE = https://files.pythonhosted.org/packages/37/fc/8a58f7bcdece751f16a4a9aac780acd1288aa8ac6adbffdd764c88fb71c6
-PYTHON_MINIMALMODBUS_SETUP_TYPE = setuptools
+PYTHON_MINIMALMODBUS_DEPENDENCIES = host-python-setuptools
+PYTHON_MINIMALMODBUS_SETUP_TYPE = pep517
 PYTHON_MINIMALMODBUS_LICENSE = Apache-2.0
 PYTHON_MINIMALMODBUS_LICENSE_FILES = LICENSE