synaptics-mst: Fix trivial thinko caused by the wrong dock connected
synaptics-mst: Fix trivial thinko caused by the wrong dock connected

fwupd/fwupd,hughsie/fwupd,hughsie/fwupd,fwupd/fwupd,fwupd/fwupd,hughsie/fwupd,fwupd/fwupd,hughsie/fwupd