package/belle-sip: add BELLE_SIP_CPE_ID_VENDOR
cpe:2.3:a:linphone:belle-sip is a valid CPE identifier for this package:
https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Alinphone%3Abelle-sip
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit a4a4330b73d494201ec72ea40fc34e96fb41faf3)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Fabrice Fontaine