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/lib/init_helpers.c b/arch/x86/lib/init_helpers.c
index bf0c921..bd0efde 100644
--- a/arch/x86/lib/init_helpers.c
+++ b/arch/x86/lib/init_helpers.c
@@ -4,11 +4,11 @@
  * Graeme Russ, <graeme.russ@gmail.com>
  */
 
-#include <common.h>
 #include <init.h>
 #include <asm/global_data.h>
 #include <linux/errno.h>
 #include <asm/mtrr.h>
+#include <asm/u-boot-x86.h>
 
 DECLARE_GLOBAL_DATA_PTR;