Add support for Draytek VigorAP 902

Hoping to categorise correctly the Draytek VigorAP 902. This is currently displaying as a standard Linux device in LibreNMS.

Would it be possible to update this particular device with the correct Hardware value (VigorAP 902) and the Draytek logo?

Details of output ./discovery.php: https://p.libren.ms/view/a06014a9
Details of output ./poller.php: https://p.libren.ms/view/19d16f9e
Details of output snmpbulkwalk: https://p.libren.ms/view/cae96791
Details from Draytek reagrding what OID’s are supported: https://www.draytek.com/en/faq/faq-management/management.system-maintenance/which-snmp-oids-does-vigor-router-support/

If any more information is required I can supply what I can. Many thanks indeed.

(Imported from https://github.com/librenms/librenms/issues/9615, Original request by: @Sweeny42)