package/uclibc: add CPE variables

cpe:2.3:a:uclibc-ng_project:uclibc-ng is a valid CPE identifier for this
package:

  https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Auclibc-ng_project%3Auclibc-ng

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

package/uclibc/uclibc.mk

@@ -10,6 +10,8 @@ UCLIBC_SITE = https://downloads.uclibc-ng.org/releases/$(UCLIBC_VERSION)
 UCLIBC_LICENSE = LGPL-2.1+
 UCLIBC_LICENSE_FILES = COPYING.LIB
 UCLIBC_INSTALL_STAGING = YES
+UCLIBC_CPE_ID_VENDOR = uclibc-ng_project
+UCLIBC_CPE_ID_PRODUCT = uclibc-ng
 
 define UCLIBC_HELP_CMDS
 	@echo '  uclibc-menuconfig      - Run uClibc menuconfig'