python-setuptools-scm: new package

This package is only needed at build stage, so make it a host
package.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/python-setuptools-scm/python-setuptools-scm.hash

@@ -0,0 +1,3 @@
+# md5 from https://pypi.python.org/pypi/setuptools_scm/json, sha256 locally computed
+md5	b6916c78ed6253d6602444fad4279c5b  setuptools_scm-1.15.0.tar.gz
+sha256	daf12d05aa2155a46aa357453757ffdc47d87f839e62114f042bceac6a619e2f  setuptools_scm-1.15.0.tar.gz

package/python-setuptools-scm/python-setuptools-scm.mk

@@ -0,0 +1,14 @@
+################################################################################
+#
+# python-setuptools-scm
+#
+################################################################################
+
+PYTHON_SETUPTOOLS_SCM_VERSION = 1.15.0
+PYTHON_SETUPTOOLS_SCM_SOURCE = setuptools_scm-$(PYTHON_SETUPTOOLS_SCM_VERSION).tar.gz
+PYTHON_SETUPTOOLS_SCM_SITE = https://pypi.python.org/packages/80/b7/31b6ae5fcb188e37f7e31abe75f9be90490a5456a72860fa6e643f8a3cbc
+PYTHON_SETUPTOOLS_SCM_LICENSE = MIT
+PYTHON_SETUPTOOLS_SCM_LICENSE_FILES = LICENSE
+PYTHON_SETUPTOOLS_SCM_SETUP_TYPE = setuptools
+
+$(eval $(host-python-package))