package/libavif: add LIBAVIF_CPE_ID_VENDOR

cpe:2.3:a:aomedia:libavif is a valid CPE identifier for this package:

  https://nvd.nist.gov/products/cpe/detail/5F25E3BB-870F-4513-96DB-34FF4FCF156C

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

package/libavif/libavif.mk

@@ -8,6 +8,7 @@ LIBAVIF_VERSION = 1.0.4
 LIBAVIF_SITE = $(call github,AOMediaCodec,libavif,v$(LIBAVIF_VERSION))
 LIBAVIF_LICENSE = BSD-2-Clause, IJG, Apache-2.0
 LIBAVIF_LICENSE_FILES = LICENSE
+LIBAVIF_CPE_ID_VENDOR = aomedia
 LIBAVIF_INSTALL_STAGING = YES
 
 # Only the dav1d decoder is packaged at the moment.