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/include/cbmem.h

@@ -19,14 +19,6 @@
 
 #include <commonlib/cbmem_id.h>
 #include <rules.h>
-
-#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) && \
-	! IS_ENABLED(CONFIG_RELOCATABLE_RAMSTAGE)
-#define HIGH_MEMORY_SAVE	(CONFIG_RAMTOP - CONFIG_RAMBASE)
-#else
-#define HIGH_MEMORY_SAVE	0
-#endif
-
 /* Delegation of resume backup memory so we don't have to
  * (slowly) handle backing up OS memory in romstage.c
  */