dt-bindings: gpio: dwapb: allow GPIO hogs

GPIO hogs are described in the gpio.txt binding as automatic default
GPIO configuration items.

Allow them for GPIO ports in DesignWare APB GPIO controller nodes.

Cc: Hoan Tran <hoan@os.amperecomputing.com>
Cc: Linus Walleij <linusw@kernel.org>
Cc: Bartosz Golaszewski <brgl@kernel.org>
Cc: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Icenowy Zheng <zhengxingda@iscas.ac.cn>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20260507081710.4090814-8-zhengxingda@iscas.ac.cn
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>

Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml

@@ -95,6 +95,12 @@ patternProperties:
       '#interrupt-cells':
         const: 2
 
+    patternProperties:
+      "^.+-hog(-[0-9]+)?$":
+        type: object
+        required:
+          - gpio-hog
+
     required:
       - compatible
       - reg