Supress warning that command didn't complete when the parent bus

thinks the card is gone.

sys/dev/xl/if_xl.c

@@ -334,7 +334,7 @@ xl_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error)
  * only a finite amount of time to avoid getting caught in an
  * infinite loop. Normally this delay routine would be a macro,
  * but it isn't called during normal operation so we can afford
- * to make it a function.
+ * to make it a function.  Spress warning when card gone.
  */
 static void
 xl_wait(struct xl_softc *sc)
@@ -346,7 +346,7 @@ xl_wait(struct xl_softc *sc)
 			break;
 	}
 
-	if (i == XL_TIMEOUT)
+	if (i == XL_TIMEOUT && bus_child_present(sc->xl_dev))
 		device_printf(sc->xl_dev, "command never completed!\n");
 }