package/python-opcua-asyncio: add CPE variables

cpe:2.3:a:freeopcua:opcua-asyncio is a valid CPE identifier for this
package:

  https://nvd.nist.gov/products/cpe/detail/39E826E8-04D1-465F-AA4E-7A41B387D7CE

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit fa44cc4aaa7f47f6fb0e725d33c776d526a82da0)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/python-opcua-asyncio/python-opcua-asyncio.mk

@@ -10,5 +10,7 @@ PYTHON_OPCUA_ASYNCIO_SITE = https://files.pythonhosted.org/packages/9f/88/c32bd5
 PYTHON_OPCUA_ASYNCIO_SETUP_TYPE = setuptools
 PYTHON_OPCUA_ASYNCIO_LICENSE = LGPL-3.0+
 PYTHON_OPCUA_ASYNCIO_LICENSE_FILES = COPYING
+PYTHON_OPCUA_ASYNCIO_CPE_ID_VENDOR = freeopcua
+PYTHON_OPCUA_ASYNCIO_CPE_ID_PRODUCT = opcua-asyncio
 
 $(eval $(python-package))