dt-bindings: mfd: Convert fsl,mcu-mpc8349emitx binding to YAML

Convert mcu-mpc8349emitx.txt to YAML and list the compatible strings
currently in use.

Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250126-ppcyaml-v1-4-50649f51c3dd@posteo.net
Signed-off-by: Lee Jones <lee@kernel.org>

Documentation/devicetree/bindings/mfd/fsl,mcu-mpc8349emitx.yaml

@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/fsl,mcu-mpc8349emitx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale MPC8349E-mITX-compatible Power Management Micro Controller Unit (MCU)
+
+maintainers:
+  - J. Neuschäfer <j.ne@posteo.net>
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - fsl,mc9s08qg8-mpc8315erdb
+              - fsl,mc9s08qg8-mpc8349emitx
+              - fsl,mc9s08qg8-mpc8377erdb
+              - fsl,mc9s08qg8-mpc8378erdb
+              - fsl,mc9s08qg8-mpc8379erdb
+          - const: fsl,mcu-mpc8349emitx
+
+  reg:
+    maxItems: 1
+
+  "#gpio-cells":
+    const: 2
+
+  gpio-controller: true
+
+required:
+  - compatible
+  - reg
+  - "#gpio-cells"
+  - gpio-controller
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        mcu@a {
+            #gpio-cells = <2>;
+            compatible = "fsl,mc9s08qg8-mpc8349emitx",
+                         "fsl,mcu-mpc8349emitx";
+            reg = <0x0a>;
+            gpio-controller;
+        };
+    };

Documentation/devicetree/bindings/powerpc/fsl/mcu-mpc8349emitx.txt

@@ -1,17 +0,0 @@
-Freescale MPC8349E-mITX-compatible Power Management Micro Controller Unit (MCU)
-
-Required properties:
-- compatible : "fsl,<mcu-chip>-<board>", "fsl,mcu-mpc8349emitx".
-- reg : should specify I2C address (0x0a).
-- #gpio-cells : should be 2.
-- gpio-controller : should be present.
-
-Example:
-
-mcu@a {
-	#gpio-cells = <2>;
-	compatible = "fsl,mc9s08qg8-mpc8349emitx",
-		     "fsl,mcu-mpc8349emitx";
-	reg = <0x0a>;
-	gpio-controller;
-};