dt-bindings: intel: Add Intel Agilex5 compatible

Agilex5 is a new SoCFPGA in Intel Agilex SoCFPGA Family,
include compatible string for Agilex5 SoCFPGA board.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Niravkumar L Rabara <niravkumar.l.rabara@intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

Documentation/devicetree/bindings/arm/intel,socfpga.yaml

@@ -21,6 +21,11 @@ properties:
               - intel,socfpga-agilex-n6000
               - intel,socfpga-agilex-socdk
           - const: intel,socfpga-agilex
+      - description: Agilex5 boards
+        items:
+          - enum:
+              - intel,socfpga-agilex5-socdk
+          - const: intel,socfpga-agilex5
 
 additionalProperties: true