Change in coreboot[master]: security/vboot/secdata_tpm: Set up space for widevine counter info

[Mohan Viswanathan (Code Review)]

Attention is currently required from: Andrey Pronin, Raul Rangel, Name of user not set #1004133, Jon Murphy, Paul Menzel, Julius Werner, Rob Barnes, Yu-Ping Wu, Karthik Ramasubramanian.
Mohan Viswanathan has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/61521 )

Change subject: security/vboot/secdata_tpm: Set up space for widevine counter info
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Patch Set 4:

(1 comment)

Patchset:

PS3:
> Okay, I'm not sure why this needs to be so complicated but I'll trust you on that I guess. […]

I do not see any issues arising from power loss to the counters; probably we may miss a counter increment by not being able to commit the value to NV RAM due to random power loss. May be Andrey can comment further if i missed something.