[S] Change in coreboot[master]: mendocino: Print content of version file

[Grzegorz Bernacki (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Jakub Czapiga, Matt DeVillier, Paul Menzel, Fred Reitberger, Karthik Ramasubramanian, Felix Held.

Grzegorz Bernacki has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74269 )

Change subject: mendocino: Print content of version file
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Patch Set 1:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/74269/comment/62bad72c_8ad58ec9 
PS1, Line 9: This commit adds printing content of 'fsp_version'
           : file at ramstage.
> Fits in one line (72 characters)?

I will change it

https://review.coreboot.org/c/coreboot/+/74269/comment/6f9af1c6_35ac5105 
PS1, Line 11:
> Please add the motivation. Something like (made up by me): […]

Sure, will add it

File src/soc/amd/mendocino/fsp_version.c:

https://review.coreboot.org/c/coreboot/+/74269/comment/918969ef_12b9a76d 
PS1, Line 17: (int)size
> Why the cast? `size_t` has the length modifier `z`.

Precision modifier requires int. I dont think I can use 'z' here.