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.com


Signed-off-by: Joel Stanley <joel@jms.id.au>