usb: typec: pi3usb30532: Keep orientation when setting mux to safe mode

Keep the orientation value when setting the mux to safe mode, this
fixes the orientation getting reset when switching alt-modes.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>