package/libusb: add LIBUSB_CPE_ID_VENDOR

cpe:2.3:a:libusb:libusb is a valid CPE identifier for this package:

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

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit f7b286594930963e439f12572174ea4082a23fa7)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libusb/libusb.mk

@@ -10,6 +10,7 @@ LIBUSB_SOURCE = libusb-$(LIBUSB_VERSION).tar.bz2
 LIBUSB_SITE = https://github.com/libusb/libusb/releases/download/v$(LIBUSB_VERSION)
 LIBUSB_LICENSE = LGPL-2.1+
 LIBUSB_LICENSE_FILES = COPYING
+LIBUSB_CPE_ID_VENDOR = libusb
 LIBUSB_DEPENDENCIES = host-pkgconf
 LIBUSB_INSTALL_STAGING = YES