package/mpv: add MPV_CPE_ID_VENDOR

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

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

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/mpv/mpv.mk

@@ -11,6 +11,7 @@ MPV_DEPENDENCIES = \
 	$(if $(BR2_PACKAGE_LIBICONV),libiconv)
 MPV_LICENSE = GPL-2.0+
 MPV_LICENSE_FILES = LICENSE.GPL
+MPV_CPE_ID_VENDOR = mpv
 
 MPV_NEEDS_EXTERNAL_WAF = YES