hw/audio/ac97: Replace container_of() by AC97() QOM cast macro

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230220131837.26292-5-philmd@linaro.org>

hw/audio/ac97.c

@@ -1295,7 +1295,7 @@ static const MemoryRegionOps ac97_io_nabm_ops = {
 
 static void ac97_on_reset(DeviceState *dev)
 {
-    AC97LinkState *s = container_of(dev, AC97LinkState, dev.qdev);
+    AC97LinkState *s = AC97(dev);
 
     reset_bm_regs(s, &s->bm_regs[0]);
     reset_bm_regs(s, &s->bm_regs[1]);