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>
diff --git a/src/soc/intel/broadwell/smihandler.c b/src/soc/intel/broadwell/smihandler.c
index b36b99d..bad1587 100644
--- a/src/soc/intel/broadwell/smihandler.c
+++ b/src/soc/intel/broadwell/smihandler.c
@@ -23,6 +23,7 @@
 #include <cpu/x86/cache.h>
 #include <device/pci_def.h>
 #include <cpu/x86/smm.h>
+#include <cpu/intel/em64t101_save_state.h>
 #include <spi-generic.h>
 #include <elog.h>
 #include <halt.h>