Change in coreboot[master]: soc/intel/elkhartlake: Add PSE TSN support

[Lean Sheng Tan (Code Review)]

Attention is currently required from: Maulik V Vaghela, Paul Menzel, Mario Scheithauer, Werner Zeh, Patrick Rudolph.
Hello build bot (Jenkins), Maulik V Vaghela, Mario Scheithauer, Werner Zeh, Patrick Rudolph,

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

https://review.coreboot.org/c/coreboot/+/56633

to look at the new patch set (#24).

Change subject: soc/intel/elkhartlake: Add PSE TSN support
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soc/intel/elkhartlake: Add PSE TSN support

Enable PSE GBE with following changes:
1. Configure PCH GBE related FSP UPD flags
2. Add PSE GBE ACPI devices
3. Refactor PCH GBE FSP-S code and merge it together
   with PSSE GBE code

Signed-off-by: Lean Sheng Tan 
Change-Id: If3807ff5a4578be7b2c67064525fa5099950986a
---
M src/soc/intel/elkhartlake/acpi/tsn_glan.asl
M src/soc/intel/elkhartlake/chip.c
M src/soc/intel/elkhartlake/chip.h
M src/soc/intel/elkhartlake/fsp_params.c
4 files changed, 116 insertions(+), 39 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/33/56633/24