dt-bindings: mfd: aspeed: Add AST2700 SCU compatibles

Add SCU interrupt controller compatible strings for the AST2700 SoC:
scu-ic0 to 3. This extends the MFD binding to support AST2700-based
platforms.

Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/all/20250908011812.1033858-3-ryan_chen@aspeedtech.com

Author: aspeedtech

Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml

@@ -75,6 +75,10 @@ patternProperties:
             - aspeed,ast2500-scu-ic
             - aspeed,ast2600-scu-ic0
             - aspeed,ast2600-scu-ic1
+            - aspeed,ast2700-scu-ic0
+            - aspeed,ast2700-scu-ic1
+            - aspeed,ast2700-scu-ic2
+            - aspeed,ast2700-scu-ic3
 
   '^silicon-id@[0-9a-f]+$':
     description: Unique hardware silicon identifiers within the SoC