board: mntre: Remove <common.h> and add needed includes

Remove <common.h> from this board vendor directory and when needed
add missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/mntre/imx8mq_reform2/imx8mq_reform2.c b/board/mntre/imx8mq_reform2/imx8mq_reform2.c
index be5c506..ebc490e 100644
--- a/board/mntre/imx8mq_reform2/imx8mq_reform2.c
+++ b/board/mntre/imx8mq_reform2/imx8mq_reform2.c
@@ -4,7 +4,6 @@
  * Copyright (C) 2018, Boundary Devices <info@boundarydevices.com>
  */
 
-#include <common.h>
 #include <env.h>
 #include <init.h>
 #include <malloc.h>
diff --git a/board/mntre/imx8mq_reform2/spl.c b/board/mntre/imx8mq_reform2/spl.c
index 5120c62..48a7835 100644
--- a/board/mntre/imx8mq_reform2/spl.c
+++ b/board/mntre/imx8mq_reform2/spl.c
@@ -5,7 +5,7 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#include <common.h>
+#include <config.h>
 #include <hang.h>
 #include <image.h>
 #include <init.h>