dt-bindings: arm: aspeed: document AMD DaytonaX

Document AMD DaytonaX board compatible.
Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220921210950.10568-2-aladyshev22@gmail.comSigned-off-by: Joel Stanley <joel@jms.id.au>

Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml

@@ -29,6 +29,7 @@ properties:
       - description: AST2500 based boards
         items:
           - enum:
+              - amd,daytonax-bmc
               - amd,ethanolx-bmc
               - ampere,mtjade-bmc
               - aspeed,ast2500-evb