Change in coreboot[master]: util/spd_tools: Add LP5 support for ADL

[Reka Norman (Code Review)]

Attention is currently required from: Tim Wawrzynczak, Sridhar Siricilla, Nick Vaccaro, Balaji Manigandan, Krishna P Bhat D.
Hello build bot (Jenkins), Tim Wawrzynczak, Sridhar Siricilla, Nick Vaccaro, Balaji Manigandan, Krishna P Bhat D, Karthik Ramasubramanian,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/58679

to look at the new patch set (#10).

Change subject: util/spd_tools: Add LP5 support for ADL
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util/spd_tools: Add LP5 support for ADL

Add LP5 support to spd_tools. Currently, only Intel Alder Lake (ADL) is
supported.

The SPDs are generated based on a combination of:
- The LPDDR5 spec JESD209-5B.
- The SPD spec SPD4.1.2.M-2 (the LPDDR3/4 spec is used since JEDEC has
  not released an SPD spec for LPDDR5).
- Intel recommendations in advisory #616599.

BUG=b:201234943, b:198704251
TEST=Generate the SPD and manifests for a test part, and check that the
SPD matches Intel's expectation. More details in CB:58680.

Change-Id: Ic1e68d44f7c0ad64aa9904b7e1297d24bd5db56e
Signed-off-by: Reka Norman 
---
M util/spd_tools/README.md
M util/spd_tools/src/part_id_gen/part_id_gen.go
A util/spd_tools/src/spd_gen/lp5.go
M util/spd_tools/src/spd_gen/spd_gen.go
4 files changed, 726 insertions(+), 6 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/79/58679/10