dt-bindings: interrupt-controller: Convert google,goldfish-pic to DT schema

Convert the Google Goldfish PIC interrupt controller binding to schema
format. It's a straight-forward conversion of the typical interrupt
controller.

Link: https://lore.kernel.org/r/20250505144658.1289158-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

Author: robherring

Documentation/devicetree/bindings/interrupt-controller/google,goldfish-pic.txt

@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/google,goldfish-pic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Android Goldfish PIC
+
+maintainers:
+  - Miodrag Dinic <miodrag.dinic@mips.com>
+
+description:
+  Android Goldfish programmable interrupt device used by Android emulator.
+
+properties:
+  compatible:
+    const: google,goldfish-pic
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  interrupt-controller: true
+
+  '#interrupt-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-controller
+  - '#interrupt-cells'
+
+examples:
+  - |
+    interrupt-controller@1f000000 {
+        compatible = "google,goldfish-pic";
+        reg = <0x1f000000 0x1000>;
+        interrupt-controller;
+        #interrupt-cells = <1>;
+        interrupts = <2>;
+    };
+
+additionalProperties: false

Documentation/devicetree/bindings/interrupt-controller/google,goldfish-pic.yaml

@@ -1694,7 +1694,7 @@ F:	drivers/android/
 ANDROID GOLDFISH PIC DRIVER
 M:	Miodrag Dinic <miodrag.dinic@mips.com>
 S:	Supported
-F:	Documentation/devicetree/bindings/interrupt-controller/google,goldfish-pic.txt
+F:	Documentation/devicetree/bindings/interrupt-controller/google,goldfish-pic.yaml
 F:	drivers/irqchip/irq-goldfish-pic.c
 
 ANDROID GOLDFISH RTC DRIVER