cpu/x86: Separate save_state struct headers

Any platform should need just one of these.

Change-Id: Ia0ff8eff152cbd3d82e8b372ec662d3737078d35
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34820
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/cpu/intel/haswell/smmrelocate.c

@@ -24,6 +24,7 @@
 #include <cpu/x86/msr.h>
 #include <cpu/x86/mtrr.h>
 #include <cpu/x86/smm.h>
+#include <cpu/intel/em64t101_save_state.h>
 #include <console/console.h>
 #include <northbridge/intel/haswell/haswell.h>
 #include <southbridge/intel/lynxpoint/pch.h>

src/cpu/intel/smm/gen1/smmrelocate.c

@@ -27,6 +27,7 @@
 #include <cpu/x86/msr.h>
 #include <cpu/x86/mtrr.h>
 #include <cpu/x86/smm.h>
+#include <cpu/intel/em64t101_save_state.h>
 #include <console/console.h>
 #include <smp/node.h>
 #include "smi.h"