dt-bindings: serial: sc16is7xx: add reset-gpios

In some designs, the chip reset pin is connected to a GPIO, and this
GPIO needs to be set correctly before probing the driver, so add a
reset-gpios in the device tree.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Lech Perczak <lech.perczak@camlingroup.com>
Tested-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Reviewed-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Link: https://lore.kernel.org/r/20240618112620.152848-1-hui.wang@canonical.com


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