dt-bindings: power: reset: bcm21664-resetmgr: convert to YAML

Convert Broadcom Kona family reset manager bindings to DT schema.

Signed-off-by: Stanislav Jakubek <[e-mail]>
Reviewed-by: Conor Dooley <[e-mail]>
Acked-by: Krzysztof Kozlowski <[e-mail]>
Acked-by: Sebastian Reichel <[e-mail]>
Link: https://lore.kernel.org/r/20230527141222.GA5048@standask-GA-A55M-S2HP
Signed-off-by: Florian Fainelli <[e-mail]>

Documentation/devicetree/bindings/power/reset/brcm,bcm21664-resetmgr.txt

···
-Broadcom Kona Family Reset Manager
-----------------------------------
-
-The reset manager is used on the Broadcom BCM21664 SoC.
-
-Required properties:
-  - compatible: brcm,bcm21664-resetmgr
-  - reg: memory address & range
-
-Example:
-	brcm,resetmgr@35001f00 {
-		compatible = "brcm,bcm21664-resetmgr";
-		reg = <0x35001f00 0x24>;
-	};

Documentation/devicetree/bindings/power/reset/brcm,bcm21664-resetmgr.yaml

···
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/reset/brcm,bcm21664-resetmgr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom Kona family reset manager
+
+maintainers:
+  - Florian Fainelli <[e-mail]>
+
+properties:
+  compatible:
+    const: brcm,bcm21664-resetmgr
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    reset-controller@35001f00 {
+        compatible = "brcm,bcm21664-resetmgr";
+        reg = <0x35001f00 0x24>;
+    };
+...