package/flatbuffers: add FLATBUFFERS_CPE_ID_VENDOR

cpe:2.3:a:google:flatbuffers is a valid CPE identifier for this package:

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

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/flatbuffers/flatbuffers.mk

@@ -8,6 +8,7 @@ FLATBUFFERS_VERSION = 1.12.0
 FLATBUFFERS_SITE = $(call github,google,flatbuffers,v$(FLATBUFFERS_VERSION))
 FLATBUFFERS_LICENSE = Apache-2.0
 FLATBUFFERS_LICENSE_FILES = LICENSE.txt
+FLATBUFFERS_CPE_ID_VENDOR = google
 FLATBUFFERS_INSTALL_STAGING = YES
 
 FLATBUFFERS_CONF_OPTS += \