Change in coreboot[master]: soc/intel/elkhartlake: Introduce Intel PSE

[Lean Sheng Tan (Code Review)]

Attention is currently required from: Arthur Heymans, Maulik V Vaghela, Paul Menzel, Angel Pons, Subrata Banik, Michael Niewöhner, Patrick Rudolph, Nico Huber, Martin Roth, Mario Scheithauer, Werner Zeh, Felix Held.
Lean Sheng Tan has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/55367 )

Change subject: soc/intel/elkhartlake: Introduce Intel PSE
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Patch Set 55:

(1 comment)

File src/soc/intel/elkhartlake/romstage/fsp_params.c:

https://review.coreboot.org/c/coreboot/+/55367/comment/a22f3953_84730486 
PS49, Line 127: 	m_cfg->PchPseEnable = CONFIG(PSE_ENABLE);
> > I don't know what OK means on your scale. You outrank me anyway, so […]

Hi Nico, added the handler cbfs_file_exists() per your advice. Please take a look!