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/northbridge/intel/i945/early_init.c

@@ -16,6 +16,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <console/console.h>
+#include <arch/acpi.h>
 #include <arch/io.h>
 #include <device/pci_def.h>
 #include <cbmem.h>

src/northbridge/intel/sandybridge/early_init.c

@@ -18,6 +18,7 @@
 #include <stdlib.h>
 #include <console/console.h>
 #include <arch/io.h>
+#include <arch/acpi.h>
 #include <device/pci_def.h>
 #include <elog.h>
 #include <cbmem.h>