dt-bindings: gpio: vf610: add ngpios and gpio-reserved-ranges

Add optional ngpios and gpio-reserved-ranges property.

Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250520-gpio-dts-v3-1-04771c6cf325@nxp.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Author: BoughChen

Documentation/devicetree/bindings/gpio/gpio-vf610.yaml

@@ -70,6 +70,13 @@ properties:
     minItems: 1
     maxItems: 4
 
+  gpio-reserved-ranges: true
+
+  ngpios:
+    minimum: 1
+    maximum: 32
+    default: 32
+
 patternProperties:
   "^.+-hog(-[0-9]+)?$":
     type: object