package/binutils: add BINUTILS_CPE_ID_VENDOR

cpe:2.3:a:gnu:binutils is a valid CPE identifier for this package:

  https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Agnu%3Abinutils

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

package/binutils/binutils.mk

@@ -35,6 +35,7 @@ BINUTILS_DEPENDENCIES = $(TARGET_NLS_DEPENDENCIES)
 BINUTILS_MAKE_OPTS = LIBS=$(TARGET_NLS_LIBS)
 BINUTILS_LICENSE = GPL-3.0+, libiberty LGPL-2.1+
 BINUTILS_LICENSE_FILES = COPYING3 COPYING.LIB
+BINUTILS_CPE_ID_VENDOR = gnu
 
 ifeq ($(BINUTILS_FROM_GIT),y)
 BINUTILS_DEPENDENCIES += host-flex host-bison