lsi: use qbus_reset_all to reset SCSI bus

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index 89c657f..860df32 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -1670,12 +1670,7 @@
         }
         if (val & LSI_SCNTL1_RST) {
             if (!(s->sstat0 & LSI_SSTAT0_RST)) {
-                BusChild *kid;
-
-                QTAILQ_FOREACH(kid, &s->bus.qbus.children, sibling) {
-                    DeviceState *dev = kid->child;
-                    device_reset(dev);
-                }
+                qbus_reset_all(&s->bus.qbus);
                 s->sstat0 |= LSI_SSTAT0_RST;
                 lsi_script_scsi_interrupt(s, LSI_SIST0_RST, 0);
             }