package/libssh: add LIBSSH_CPE_ID_VENDOR

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

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

Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libssh/libssh.mk

@@ -10,6 +10,7 @@ LIBSSH_SOURCE = libssh-$(LIBSSH_VERSION).tar.xz
 LIBSSH_SITE = https://www.libssh.org/files/$(LIBSSH_VERSION_MAJOR)
 LIBSSH_LICENSE = LGPL-2.1
 LIBSSH_LICENSE_FILES = COPYING
+LIBSSH_CPE_ID_VENDOR = libssh
 LIBSSH_INSTALL_STAGING = YES
 LIBSSH_SUPPORTS_IN_SOURCE_BUILD = NO
 LIBSSH_CONF_OPTS = \