package/trousers: add TROUSERS_CPE_ID_VENDOR

cpe:2.3:a:trustedcomputinggroup:trousers is a valid CPE identifier for
this package:

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

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
diff --git a/package/trousers/trousers.mk b/package/trousers/trousers.mk
index b2cfef0..b84425d 100644
--- a/package/trousers/trousers.mk
+++ b/package/trousers/trousers.mk
@@ -8,6 +8,7 @@
 TROUSERS_SITE = http://downloads.sourceforge.net/project/trousers/trousers/$(TROUSERS_VERSION)
 TROUSERS_LICENSE = BSD-3-Clause
 TROUSERS_LICENSE_FILES = LICENSE
+TROUSERS_CPE_ID_VENDOR = trustedcomputinggroup
 TROUSERS_INSTALL_STAGING = YES
 # Need autoreconf because of a patch touching configure.in and Makefile.am
 TROUSERS_AUTORECONF = YES