Allow multiple permitopen/permitlisten in SSH keys
SSH keys allow to have multiple entries for
the permitopen and permitlisten options. Prior
to this change, only one of each could be configured.
Fixes: https://pagure.io/freeipa/issue/8423
Signed-off-by: Antonio Torres <antorres@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>