[w3c/webauthn] f0224a: Update CDDL to reflect packed, self-attestation.

  Branch: refs/heads/master
  Home:   https://github.com/w3c/webauthn
  Commit: f0224aa2bb69478aa9d42894d5f036ad0c1d9936
      https://github.com/w3c/webauthn/commit/f0224aa2bb69478aa9d42894d5f036ad0c1d9936
  Author: Adam Langley <agl@imperialviolet.org>
  Date:   2018-01-17 (Wed, 17 Jan 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Update CDDL to reflect packed, self-attestation.

The verification process for the packed attestation format deals with a
case where both `x5c` and `ecdaaKeyId` elements are absent, but the CDDL
doesn't reflect that possibility.


  Commit: 72958fef808d45e04bbaaf6f17c494104162f0e5
      https://github.com/w3c/webauthn/commit/72958fef808d45e04bbaaf6f17c494104162f0e5
  Author: Adam Langley <agl@imperialviolet.org>
  Date:   2018-02-05 (Mon, 05 Feb 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Merge pull request #751 from agl/selfattestation

Update CDDL to reflect packed, self-attestation.


Compare: https://github.com/w3c/webauthn/compare/4f1a3ba83398...72958fef808d