package/network-manager: add CPE variables

cpe:2.3:a:gnome:networkmanager is a valid CPE identifier for this
package:

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

Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 47f29fe098071d444a804403c1a433358ff7e451)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/network-manager/network-manager.mk

@@ -13,6 +13,8 @@ NETWORK_MANAGER_DEPENDENCIES = host-pkgconf udev gnutls libglib2 \
 	libgcrypt wireless_tools util-linux host-intltool readline libndp
 NETWORK_MANAGER_LICENSE = GPL-2.0+ (app), LGPL-2.1+ (libnm)
 NETWORK_MANAGER_LICENSE_FILES = COPYING COPYING.LGPL CONTRIBUTING
+NETWORK_MANAGER_CPE_ID_VENDOR = gnome
+NETWORK_MANAGER_CPE_ID_PRODUCT = networkmanager
 NETWORK_MANAGER_SELINUX_MODULES = networkmanager
 
 NETWORK_MANAGER_CONF_ENV = \