dt-bindings: usb: Add binding for Genesys Logic GL3523 hub

Add the binding for the USB3.1 Genesys Logic GL3523 hub.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230623142228.4069084-1-m.felsch@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>