x86: Remove <common.h> and add needed includes

Remove <common.h> from all x86 architecture files and when needed add
missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/x86/cpu/baytrail/valleyview.c b/arch/x86/cpu/baytrail/valleyview.c
index f73738c..839ff4d 100644
--- a/arch/x86/cpu/baytrail/valleyview.c
+++ b/arch/x86/cpu/baytrail/valleyview.c
@@ -3,7 +3,6 @@
  * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
  */
 
-#include <common.h>
 #include <init.h>
 #include <mmc.h>
 #include <pci_ids.h>
@@ -11,6 +10,7 @@
 #include <asm/mrccache.h>
 #include <asm/post.h>
 #include <asm/arch/iomap.h>
+#include <asm/u-boot-x86.h>
 #include <linux/bitops.h>
 
 /* GPIO SUS */