package/fastd: add FASTD_CPE_ID_VERSION

With that FASTD_CPE_ID expands to:

    cpe:2.3:a:fastd_project:fastd:21.0:*:*:*:*:*:*:*

That's the same as listed on
https://nvd.nist.gov/products/cpe/detail/826746

Signed-off-by: Alexander Dahl <post@lespocky.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit ebe599de08ec4aa521d9eeb0d6eb452c1285774f)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/fastd/fastd.mk

@@ -9,6 +9,7 @@ FASTD_SITE = https://github.com/NeoRaider/fastd/releases/download/v$(FASTD_VERSI
 FASTD_SOURCE = fastd-$(FASTD_VERSION).tar.xz
 FASTD_LICENSE = BSD-2-Clause
 FASTD_LICENSE_FILES = COPYRIGHT
+FASTD_CPE_ID_VERSION = $(FASTD_VERSION).0
 FASTD_DEPENDENCIES = host-bison host-pkgconf libuecc libsodium
 
 ifeq ($(BR2_PACKAGE_LIBCAP),y)