board: maxbcm: 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>

board/maxbcm/maxbcm.c

@@ -3,7 +3,6 @@
  * Copyright (C) 2014 Stefan Roese <sr@denx.de>
  */
 
-#include <common.h>
 #include <init.h>
 #include <miiphy.h>
 #include <asm/global_data.h>