cmd: Remove <common.h> and add needed includes

Remove <common.h> from all "cmd/" files and when needed add
missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>

cmd/x86/cbsysinfo.c

@@ -4,7 +4,6 @@
  * Written by Simon Glass <sjg@chromium.org>
  */
 
-#include <common.h>
 #include <asm/cb_sysinfo.h>
 #include <command.h>
 #include <console.h>

cmd/x86/fsp.c

@@ -3,7 +3,6 @@
  * Copyright (C) 2014-2015, Bin Meng <bmeng.cn@gmail.com>
  */
 
-#include <common.h>
 #include <command.h>
 #include <asm/fsp/fsp_support.h>
 #include <asm/global_data.h>

cmd/x86/hob.c

@@ -3,7 +3,6 @@
  * Copyright (C) 2014-2015, Bin Meng <bmeng.cn@gmail.com>
  */
 
-#include <common.h>
 #include <command.h>
 #include <efi.h>
 #include <uuid.h>

cmd/x86/mtrr.c

@@ -3,9 +3,9 @@
  * (C) Copyright 2014 Google, Inc
  */
 
-#include <common.h>
 #include <command.h>
 #include <log.h>
+#include <vsprintf.h>
 #include <asm/msr.h>
 #include <asm/mp.h>
 #include <asm/mtrr.h>