[w3c/webauthn] d1e2d1: added reference for TPMS_CERTIFY_INFO

  Branch: refs/heads/akshay-tpm-attestation-clarification
  Home:   https://github.com/w3c/webauthn
  Commit: d1e2d1a0bc6bf1312bda0c78f4b8d7783e6e6c09
      https://github.com/w3c/webauthn/commit/d1e2d1a0bc6bf1312bda0c78f4b8d7783e6e6c09
  Author: Akshay Kumar <akshayku@corp.microsoft.com>
  Date:   2018-02-08 (Thu, 08 Feb 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  added reference for TPMS_CERTIFY_INFO