bindings: pinctrl: ingenic: add x1600

Add bindings for the Lumissil/Ingenic X1600 SoC.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Link: https://lore.kernel.org/a9865c817d5aa9046dcbb251d834c1dbcc4e9219.1740823241.git.hns@goldelico.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Author: goldelico

Documentation/devicetree/bindings/pinctrl/ingenic,pinctrl.yaml

@@ -42,6 +42,7 @@ properties:
           - ingenic,jz4780-pinctrl
           - ingenic,x1000-pinctrl
           - ingenic,x1500-pinctrl
+          - ingenic,x1600-pinctrl
           - ingenic,x1830-pinctrl
           - ingenic,x2000-pinctrl
           - ingenic,x2100-pinctrl
@@ -81,6 +82,7 @@ patternProperties:
           - ingenic,jz4780-gpio
           - ingenic,x1000-gpio
           - ingenic,x1500-gpio
+          - ingenic,x1600-gpio
           - ingenic,x1830-gpio
           - ingenic,x2000-gpio
           - ingenic,x2100-gpio