package/libyang: add LIBYANG_CPE_ID_VENDOR

cpe:2.3:a:cesnet:libyang is a valid CPE identifier for this package:

https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=libyang

Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/libyang/libyang.mk

@@ -9,6 +9,7 @@ LIBYANG_SITE = $(call github,CESNET,libyang,v$(LIBYANG_VERSION))
 LIBYANG_LICENSE = BSD-3-Clause
 LIBYANG_LICENSE_FILES = LICENSE
 LIBYANG_INSTALL_STAGING = YES
+LIBYANG_CPE_ID_VENDOR = cesnet
 LIBYANG_SUPPORTS_IN_SOURCE_BUILD = NO
 LIBYANG_DEPENDENCIES = pcre
 HOST_LIBYANG_DEPENDENCIES = host-pcre