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

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Attention is currently required from: Andrey Pronin, Raul Rangel, Mohan Viswanathan, Jon Murphy, Paul Menzel, Julius Werner, Rob Barnes, Yu-Ping Wu, Karthik Ramasubramanian.
Name of user not set #1004133 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:
> Sorry, I was more hoping for an exact struct layout or something. […]

The additional non-volatile space is required to store the status of the counters in use. Although it can be done by reading them until we get a BAD_INDEX, Trusted Application can create and delete the counters dynamically. To keep track of the current counter status across reboot cycles,  additional non-volatile space is required