[L] Change in coreboot[master]: security/tpm: resolve conflicts in TSS implementations

[Yu-Ping Wu (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Michał Żygowski, Frans Hendriks, Matt DeVillier, Christian Walter, Julius Werner, Krystian Hebel, Fred Reitberger, Sergii Dmytruk, Felix Held.

Yu-Ping Wu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/69160 )

Change subject: security/tpm: resolve conflicts in TSS implementations
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Patch Set 9:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/69160/comment/1d53a310_c52a6927 
PS9, Line 9: Just code updates to don't have
Refactor code such that there won't be

File src/security/tpm/tss/tss.c:

https://review.coreboot.org/c/coreboot/+/69160/comment/a552b0bf_055dacc8 
PS8, Line 22: VB2_SUCCESS
> Its clients check for `VB2_*`. I think it was introduced for vboot and hence uses its error codes.

Then we should change the return type to `vb2_error_t` (maybe in a follow-up patch), which is just an alias of `uint32_t`.