* scd/app-p15.c (struct keyaccess_flags_s): New.
(struct prkdf_object_s): Add field accessflags.
(dump_keyusage_flags): New.
(dump_keyaccess_flags): New.
(parse_keyaccess_flags): New.
(parse_common_key_attr): Return access flags.
(read_ef_prkdf): Parse the access flags.  Allow for ECkeys.
(read_ef_pukdf): Ditto.  Use new functions for printing.
(read_p15_info): Use new fucntion for printing.