soc/amd/stoneyridge: Add UMA save function

Save the UMA values from AGESA to use in resource
allocation in ramstage.

Change-Id: I2a218160649d934f615b2637ff122c36b4ba617e
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/23817
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
3 files changed