tests/board_microbit: add microbit-v2 in whitelist
tests/board_microbit: add microbit-v2 in whitelist

authmillenon/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,OTAkeys/RIOT,kYc0o/RIOT,ant9000/RIOT,OlegHahm/RIOT,jasonatran/RIOT,kYc0o/RIOT,jasonatran/RIOT,ant9000/RIOT,OTAkeys/RIOT,kYc0o/RIOT,miri64/RIOT,OTAkeys/RIOT,authmillenon/RIOT,OlegHahm/RIOT,ant9000/RIOT,authmillenon/RIOT,kaspar030/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,ant9000/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,miri64/RIOT,kYc0o/RIOT,OlegHahm/RIOT,authmillenon/RIOT,OTAkeys/RIOT,kaspar030/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,miri64/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,miri64/RIOT,jasonatran/RIOT,authmillenon/RIOT,kaspar030/RIOT,ant9000/RIOT,OlegHahm/RIOT,kYc0o/RIOT,miri64/RIOT