Allow accelerators to set vCPU properties before its realization. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp> Message-ID: <20251103101034.59039-16-philmd@linaro.org>