package/python-esptool: add CPE variables

cpe:2.3:a:espressif:esptool is a valid CPE identifier for this package:

  https://nvd.nist.gov/products/cpe/detail/AC284820-5731-4100-91BC-F50FE078848E

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/python-esptool/python-esptool.mk

@@ -10,5 +10,7 @@ PYTHON_ESPTOOL_SITE = https://files.pythonhosted.org/packages/1b/8b/f0d1e75879de
 PYTHON_ESPTOOL_SETUP_TYPE = setuptools
 PYTHON_ESPTOOL_LICENSE = GPL-2.0+
 PYTHON_ESPTOOL_LICENSE_FILES = LICENSE
+PYTHON_ESPTOOL_CPE_ID_VENDOR = espressif
+PYTHON_ESPTOOL_CPE_ID_PRODUCT = esptool
 
 $(eval $(python-package))