usb: dwc3: pci: Set the swnode from inside dwc3_pci_quirks()

The quirk handling may need to set some different properties
which means using a different swnode, move the setting of the swnode
to inside dwc3_pci_quirks() so that the quirk handling can choose
a different swnode.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220213130524.18748-4-hdegoede@redhat.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>