dt-bindings: clock: Convert marvell,armada-370-corediv-clock to DT schema

Convert the Marvell Armada 3xx Core Divider clock binding to DT schema
format.

Add the missing "marvell,armada-390-corediv-clock" compatible and
"clock-output-names" property.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250521211840.77487-1-robh@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: robherring

Documentation/devicetree/bindings/clock/marvell,armada-370-corediv-clock.yaml

@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/marvell,armada-370-corediv-clock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell MVEBU Core Divider Clock
+
+maintainers:
+  - Andrew Lunn <andrew@lunn.ch>
+  - Gregory Clement <gregory.clement@bootlin.com>
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - marvell,armada-370-corediv-clock
+          - marvell,armada-375-corediv-clock
+          - marvell,armada-380-corediv-clock
+          - marvell,mv98dx3236-corediv-clock
+      - items:
+          - const: marvell,armada-390-corediv-clock
+          - const: marvell,armada-380-corediv-clock
+
+  reg:
+    maxItems: 1
+
+  "#clock-cells":
+    const: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-output-names:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - "#clock-cells"
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    clock-controller@18740 {
+        compatible = "marvell,armada-370-corediv-clock";
+        reg = <0x18740 0xc>;
+        #clock-cells = <1>;
+        clocks = <&pll>;
+    };