Move definitions of HIGH_MEMORY_SAVE

This is more of ACPI S3 resume and x86 definition than CBMEM.

Change-Id: Iffbfb2e30ab5ea0b736e5626f51c86c7452f3129
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/15190
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/cpu/amd/agesa/s3_resume.c

@@ -13,6 +13,7 @@
  * GNU General Public License for more details.
  */
 
+#include <arch/acpi.h>
 #include <console/console.h>
 #include <cpu/x86/msr.h>
 #include <cpu/x86/mtrr.h>