[S] Change in coreboot[master]: mb/google/skyrim: Switch from LZMA to LZ4 compression for ramstage

[Martin L Roth (Code Review)]

Attention is currently required from: Jason Nien, Martin Roth.

Martin L Roth has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/71675 )

Change subject: mb/google/skyrim: Switch from LZMA to LZ4 compression for ramstage
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Patch Set 1:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/71675/comment/c34f097b_57457b54 
PS1, Line 20: Right now we have 2MiB empty space in Skyrim's RO before this change,
            : and roughly 550KiB empty space in RW, so there aren't currently any
            : size worries.
> Maybe it's worth mentioning that this just changes the default so that it's still possible to maxima […]

Unfortunately, these are different regions than what's used for the payloads.

Patchset:

PS1:
> Nice! I vaguely remember having similar speedups for ramstage decompressing when going from LZMA to  […]

I bet we'd get big improvements again with switching to ZSTD.  Looking forward to that being an option.