dt-bindings: arm: aspeed: add Inventec starscream-bmc

Document the new compatibles used on Inventec starscream-bmc

Signed-off-by: Chen PJ <Chen.pj@inventec.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230703060222.24263-1-chen.pj@inventec.com


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