vli: Do not assume any VL82x reference firmware has shared PD
vli: Do not assume any VL82x reference firmware has shared PD

This should be harmless on an actual devboard, and not break products
using the default VID/PID *without* any shared PD chip.

fwupd/fwupd,fwupd/fwupd,fwupd/fwupd,fwupd/fwupd