szenio_1207c4: Add fex file for szenio_1207c4

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
*-olinuxino: Set capture_used audio_para

All olinixino boards accept for the a13 micro have an audio input.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>