Change in coreboot[master]: soc/intel/elkhartlake: Remove elog.c

[Lean Sheng Tan (Code Review)]

Attention is currently required from: Martin Roth, Paul Menzel, Mario Scheithauer, Subrata Banik, Kyösti Mälkki, Patrick Rudolph.
Lean Sheng Tan has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/50173 )

Change subject: soc/intel/elkhartlake: Remove elog.c
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Patch Set 2:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/50173/comment/b81d12b1_e732a694 
PS2, Line 10: hence does not need it.
> There won’t be designs with an embedded controller? It’s new to me that elog. […]

Hi Paul, yes correct, AFAIK, elog is only used for chrome OS, please educate me if otherwise.

Patchset:

PS2:
> Would it make sense to remove the RW_ELOG region from the fmap as well if you drop elog. […]

Good catch! Will do when I submit the new fmd file later.

PS2:
> I'd rather see CB:50707 go in first. […]

I think this patch already delete the file, so it doesn't really matters ;)