package/yaml-cpp: set YAML_CPP_CPE_ID_VALID

cpe:2.3:a:yaml-cpp_project:yaml-cpp is a valid CPE identifier for this
package:

  https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Ayaml-cpp_project%3Ayaml-cpp

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/yaml-cpp/yaml-cpp.mk

@@ -9,6 +9,7 @@ YAML_CPP_SITE = $(call github,jbeder,yaml-cpp,yaml-cpp-$(YAML_CPP_VERSION))
 YAML_CPP_INSTALL_STAGING = YES
 YAML_CPP_LICENSE = MIT
 YAML_CPP_LICENSE_FILES = LICENSE
+YAML_CPP_CPE_ID_VALID = YES
 
 # Disable testing and parse tools
 YAML_CPP_CONF_OPTS += \