dt-bindings: arm: apple: Add M4 based devices

The Apple devices with the t8132 SoC (M4) are very similar to their M3
predecessors.

In addition to the MacBook Pro and the various MacBook Air and iMac
variants, a Mac mini is offered again with the M4.

Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Yureka Lilian <yureka@cyberchaos.dev>
Link: https://patch.msgid.link/20260811-apple-m4-initial-devicetrees-v3-8-6bf32d45ad0b@cyberchaos.dev
Signed-off-by: Sven Peter <sven@kernel.org>

Author: yuyuyureka

Documentation/devicetree/bindings/arm/apple.yaml

@@ -103,6 +103,15 @@ description: |
   - MacBook Pro (14-inch, M3, 2023)
   - iMac (24-inch, M3, 2023)
 
+  Devices based on the "M4" SoC:
+
+  - MacBook Pro (14-inch, M4, 2024)
+  - iMac (24-inch, 2x USB-C, M4, 2024)
+  - iMac (24-inch, 4x USB-C, M4, 2024)
+  - MacBook Air (13-inch, M4, 2025)
+  - MacBook Air (15-inch, M4, 2025)
+  - Mac mini (M4, 2024)
+
   Devices based on the "M1 Pro", "M1 Max" and "M1 Ultra" SoCs:
 
   - MacBook Pro (14-inch, M1 Pro, 2021)
@@ -323,6 +332,18 @@ properties:
           - const: apple,t8122
           - const: apple,arm-platform
 
+      - description: Apple M4 SoC based platforms
+        items:
+          - enum:
+              - apple,j604  # MacBook Pro (14-inch, M4, 2024)
+              - apple,j623  # iMac (24-inch, 2x USB-C, M4, 2024)
+              - apple,j624  # iMac (24-inch, 4x USB-C, M4, 2024)
+              - apple,j713  # MacBook Air (13-inch, M4, 2025)
+              - apple,j715  # MacBook Air (15-inch, M4, 2025)
+              - apple,j773g # Mac mini (M4, 2024)
+          - const: apple,t8132
+          - const: apple,arm-platform
+
       - description: Apple M1 Pro SoC based platforms
         items:
           - enum: