[w3c/webauthn] a46247: Always verify UP bit in RP ops

  Branch: refs/heads/issue-848-rp-up-verification
  Home:   https://github.com/w3c/webauthn
  Commit: a46247182ccbda508a619f27d4437649a30004a3
      https://github.com/w3c/webauthn/commit/a46247182ccbda508a619f27d4437649a30004a3
  Author: Emil Lundberg <emil@yubico.com>
  Date:   2018-04-04 (Wed, 04 Apr 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Always verify UP bit in RP ops

As pointed out by @akshayku, recent drafts of CTAP now support this.