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/quark/mrc.c b/arch/x86/cpu/quark/mrc.c
index ce3c2b8..be9c36b 100644
--- a/arch/x86/cpu/quark/mrc.c
+++ b/arch/x86/cpu/quark/mrc.c
@@ -32,9 +32,9 @@
  * DRAM unit configuration based on Valleyview MRC.
  */
 
-#include <common.h>
 #include <asm/arch/mrc.h>
 #include <asm/arch/msg_port.h>
+#include <asm/u-boot-x86.h>
 #include "mrc_util.h"
 #include "smc.h"