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/include/asm/handoff.h b/arch/x86/include/asm/handoff.h
index aec49b9..5f66919 100644
--- a/arch/x86/include/asm/handoff.h
+++ b/arch/x86/include/asm/handoff.h
@@ -9,6 +9,8 @@
 #ifndef __x86_asm_handoff_h
 #define __x86_asm_handoff_h
 
+#include <linux/types.h>
+
 /**
  * struct arch_spl_handoff - architecture-specific handoff info
  *