dt-bindings: interrupt-controller: Add support for Amlogic S6 S7 and S7D SoCs

Update the device tree binding document for GPIO interrupt controller of
Amlogic S6 S7 and S7D SoCs.

Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251105-irqchip-gpio-s6-s7-s7d-v1-1-b4d1fe4781c1@amlogic.com

Author: Xianwei Zhao

Documentation/devicetree/bindings/interrupt-controller/amlogic,meson-gpio-intc.yaml

@@ -39,6 +39,9 @@ properties:
               - amlogic,a4-gpio-ao-intc
               - amlogic,a5-gpio-intc
               - amlogic,c3-gpio-intc
+              - amlogic,s6-gpio-intc
+              - amlogic,s7-gpio-intc
+              - amlogic,s7d-gpio-intc
               - amlogic,t7-gpio-intc
           - const: amlogic,meson-gpio-intc