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

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

Acked-by: Oliver Graute <oliver.graute@kococonnector.com>
Signed-off-by: Tom Rini <trini@konsulko.com>

board/congatec/cgtqmx8/cgtqmx8.c

@@ -3,7 +3,7 @@
  * Copyright 2018 congatec AG
  * Copyright (C) 2019 Oliver Graute <oliver.graute@kococonnector.com>
  */
-#include <common.h>
+#include <config.h>
 #include <errno.h>
 #include <linux/libfdt.h>
 #include <fsl_esdhc.h>

board/congatec/cgtqmx8/spl.c

@@ -4,7 +4,6 @@
  *
  */
 
-#include <common.h>
 #include <dm.h>
 #include <fdt_support.h>
 #include <init.h>

board/congatec/common/mmc.c

@@ -4,7 +4,8 @@
  * Copyright 2018 NXP
  *
  */
-#include <common.h>
+
+#include <vsprintf.h>
 #include <linux/errno.h>
 #include <asm/io.h>
 #include <env.h>

board/congatec/conga-qeval20-qa3-e3845/conga-qeval20-qa3.c

@@ -3,7 +3,6 @@
  * Copyright (C) 2016 Stefan Roese <sr@denx.de>
  */
 
-#include <common.h>
 #include <i2c.h>
 #include <init.h>
 #include <winbond_w83627.h>