Change in coreboot[master]: security/vboot: Add NVRAM counter for TPM 2.0

[Julius Werner (Code Review)]

Attention is currently required from: Miriam Polzer, Andrey Pronin, Yu-Ping Wu.
Julius Werner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/59097 )

Change subject: security/vboot: Add NVRAM counter for TPM 2.0
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Patch Set 6:

(1 comment)

File src/security/vboot/secdata_tpm.c:

https://review.coreboot.org/c/coreboot/+/59097/comment/a6247065_a71d0b6f 
PS6, Line 120: TPMA_NV_WRITE_STCLEAR
> No I didn't have this initially. Julius suggested to add it in case we need it at some later point.

I was just thinking it doesn't hurt? Is there ever a reason not to set this flag (just in case the need ever comes up in the future)?