Change in coreboot[master]: soc/intel/jasperlake: add pcie modphy settings

[Jamie Chen (Code Review)]

Attention is currently required from: Jamie Chen, Patrick Rudolph.
Hello build bot (Jenkins), Jamie Chen, Kane Chen, Patrick Rudolph,

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

https://review.coreboot.org/c/coreboot/+/56336

to look at the new patch set (#2).

Change subject: soc/intel/jasperlake: add pcie modphy settings
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soc/intel/jasperlake: add pcie modphy settings

This patch adds device tree settings to control pcie modphy tuning
FSP UPDs. With this patch, the pcie modphy can be tuned per board.

BUG=b:192716633
BRANCH=NONE
TEST=build dedede variant coreboot with fw_debug enable and check if
     these settings have been changed successfully on fsp debug log.

Change-Id: I80a91d45f9dd8ef218846e1284fdad309313e831
Signed-off-by: Jamie Chen 
---
M src/soc/intel/jasperlake/chip.h
M src/soc/intel/jasperlake/romstage/fsp_params.c
2 files changed, 40 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/36/56336/2