[XS] Change in coreboot[master]: mb/google/rex: LZ4 compress ramstage instead of LZMA

[Subrata Banik (Code Review)]

Attention is currently required from: Jamie Ryu, Kapil Porwal, Paul Menzel, Raj Astekar, Tarun Tuli, Wonkyu Kim.

Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/75769?usp=email )

Change subject: mb/google/rex: LZ4 compress ramstage instead of LZMA
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Patch Set 5:

(1 comment)

Patchset:

PS4:
> Can you specify build command which has build error?
> I tried FSP debug build but I did not see build error. I'm wondering if there is any build command difference and how much size can be issue.

regular emerge-rex is failing (not special steps req)

There is marginal and we are afraid it might fail even on CPFE. because there are less than 1KB space left adding this CL