dm: test: Correct printf() output nit in 'dm uclass'

Neither the hyphen nor the equals sign is needed.
Signed-off-by: NSimon Glass <sjg@chromium.org>
Reviewed-by: NMarek Vasut <marex@denx.de>

test/dm/cmd_dm.c

@@ -79,7 +79,7 @@ static void dm_display_line(struct udevice *dev)
 	       dev->flags & DM_FLAG_ACTIVATED ? '*' : ' ',
 	       dev->name, (ulong)map_to_sysmem(dev));
 	if (dev->seq != -1 || dev->req_seq != -1)
-		printf(", seq-%d, (req=%d)", dev->seq, dev->req_seq);
+		printf(", seq %d, (req %d)", dev->seq, dev->req_seq);
 	puts("\n");
 }