package/p11-kit: set P11_KIT_CPE_ID_VALID

cpe:2.3:a:p11-kit_project:p11-kit is a valid CPE identifier for this
package:

  https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Ap11-kit_project%3Ap11-kit

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/p11-kit/p11-kit.mk

@@ -13,6 +13,7 @@ P11_KIT_CONF_ENV = ac_cv_have_decl_program_invocation_short_name=yes \
 	ac_cv_have_decl___progname=no
 P11_KIT_LICENSE = BSD-3-Clause
 P11_KIT_LICENSE_FILES = COPYING
+P11_KIT_CPE_ID_VALID = YES
 
 ifeq ($(BR2_PACKAGE_LIBFFI),y)
 P11_KIT_DEPENDENCIES += host-pkgconf libffi