pci: Remove DEBUG from pci_compat.c

Remove DEBUG in drivers/pci/pci_compat.c.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

drivers/pci/pci_compat.c

@@ -5,7 +5,6 @@
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
-#define DEBUG
 #include <common.h>
 #include <dm.h>
 #include <errno.h>