Our target is to get rid of backup_top_of_ram() and get_top_of_ram() entirely so only declare these with LATE_CBMEM_INIT=y. Change-Id: I54f549fe774996f4d803f9ec527e0fac46f6576f Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8749 Tested-by: build bot (Jenkins) Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>