cpu/x86: Move some SMM function declarations

Change-Id: I9a4e57f8fd032f2824eab0e5b59d635710e3e24b
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34822
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/southbridge/amd/agesa/hudson/smi.c

@@ -18,9 +18,10 @@
  * Utilities for SMM setup
  */
 
-#include "smi.h"
-
 #include <console/console.h>
+#include <cpu/x86/smm.h>
+
+#include "smi.h"
 
 void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
 {

src/southbridge/amd/pi/hudson/smi.c

@@ -18,9 +18,10 @@
  * Utilities for SMM setup
  */
 
-#include "smi.h"
-
 #include <console/console.h>
+#include <cpu/x86/smm.h>
+
+#include "smi.h"
 
 void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
 {