soc/intel/xeon_sp: Fix final MTRR usage

The region top_of_ram -> cbmem_top is used by FSP and cbmem, but is
also just regular DRAM. Marking it as such improves the final MTRR
solution a lot and fixes MTRR starvation depending on the setup.

Change-Id: I19ff7cf2d699b4cc34caccd91cafd6a284d699d3
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47868
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions