usb: typec: mux: Remove requirement for the "orientation-switch" device property

usb: typec: mux: Remove requirement for the "orientation-switch" device property

The additional boolean device property "orientation-switch"
is not needed when the connection is described with device
graph, so removing the check and the requirement for it.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20210526153548.61276-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>