dt-bindings: net: via-rhine: Convert to YAML

Rewrite the textual description for the VIA Rhine platform Ethernet
controller as YAML schema, and switch the filename to follow the
compatible string. These are used in several VIA/WonderMedia SoCs

Signed-off-by: Alexey Charkov <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

Documentation/devicetree/bindings/net/via,vt8500-rhine.yaml

···
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/via,vt8500-rhine.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: VIA Rhine 10/100 Network Controller
+
+description:
+  VIA's Ethernet controller integrated into VIA VT8500,
+  WonderMedia WM8950 and related SoCs
+
+maintainers:
+  - Alexey Charkov <[e-mail]>
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+properties:
+  compatible:
+    const: via,vt8500-rhine
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    ethernet@d8004000 {
+        compatible = "via,vt8500-rhine";
+        reg = <0xd8004000 0x100>;
+        interrupts = <10>;
+    };

Documentation/devicetree/bindings/net/via-rhine.txt

···
-* VIA Rhine 10/100 Network Controller
-
-Required properties:
-- compatible : Should be "via,vt8500-rhine" for integrated
-	Rhine controllers found in VIA VT8500, WonderMedia WM8950
-	and similar. These are listed as 1106:3106 rev. 0x84 on the
-	virtual PCI bus under vendor-provided kernels
-- reg : Address and length of the io space
-- interrupts : Should contain the controller interrupt line
-
-Examples:
-
-ethernet@d8004000 {
-	compatible = "via,vt8500-rhine";
-	reg = <0xd8004000 0x100>;
-	interrupts = <10>;
-};