sm: Print Yubikey attestation extensions with --dump-cert.
* sm/keylist.c (oidtranstbl): Add Yubikey OIDs. (OID_FLAG_HEX): New. (print_hex_extn): New. (list_cert_raw): Make use of that flag.
(cherry picked from commit 86c241a8c9a952ea8007066b70b04f435e2e483e)
- Signed-off-by: Werner Koch <wk@gnupg.org>