package/python-enum34: enable host build

This is initially used by the setools package to do offline
policy analysis using host tools.

Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/python-enum34/python-enum34.mk

@@ -12,3 +12,4 @@ PYTHON_ENUM34_LICENSE = BSD-3-Clause
 PYTHON_ENUM34_LICENSE_FILES = enum/LICENSE
 
 $(eval $(python-package))
+$(eval $(host-python-package))