Change in coreboot[master]: security/tpm: Add TPM_PCRRead tss function

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Change subject: security/tpm: Add TPM_PCRRead tss function
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Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/19245/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/64438/ : SUCCESS