intel/nehalem: Add get_top_top_ram() in ramstage

Needed to resolve CBMEM location early in ramstage. With DYNAMIC_CBMEM
set_top_of_ram() will no longer be available.

Change-Id: If50f1c5455a587b096348ffedadbe1dd2350a714
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6030
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
3 files changed