hw/i386/pc_sysfw: Use qdev_is_realized() instead of QOM API

Prefer QDev API for QDev objects, avoid the underlying QOM layer.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20240216110313.17039-3-philmd@linaro.org>
1 file changed