soc/intel/tigerlake: Add macros and SPD information for DDR4

This change adds new memory topologies (SODIMM, MIXED) that are
supported by DDR4 and macros required for DDR4 support.

Memory initialization support for DDR4 will be added in a follow-up
change.

Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: I4b565c3d71bbf437da64ac29597cc19e58f1b98a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39866
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>

0 files changed, 0 insertions, 0 deletions