hw/arm/smmuv3.c: Avoid shadowing variable

Avoid shadowing a variable in smmuv3_notify_iova():

../../hw/arm/smmuv3.c: In function ‘smmuv3_notify_iova’:
../../hw/arm/smmuv3.c:1043:23: warning: declaration of ‘event’ shadows a previous local [-Wshadow=local]
 1043 |         SMMUEventInfo event = {.inval_ste_allowed = true};
      |                       ^~~~~
../../hw/arm/smmuv3.c:1038:19: note: shadowed declaration is here
 1038 |     IOMMUTLBEvent event;
      |                   ^~~~~

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-ID: <20230922152944.3583438-4-peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

hw/arm/smmuv3.c

@@ -1040,8 +1040,8 @@ static void smmuv3_notify_iova(IOMMUMemoryRegion *mr,
     SMMUv3State *s = sdev->smmu;
 
     if (!tg) {
-        SMMUEventInfo event = {.inval_ste_allowed = true};
-        SMMUTransCfg *cfg = smmuv3_get_config(sdev, &event);
+        SMMUEventInfo eventinfo = {.inval_ste_allowed = true};
+        SMMUTransCfg *cfg = smmuv3_get_config(sdev, &eventinfo);
         SMMUTransTableInfo *tt;
 
         if (!cfg) {