fiodriver: make frame size value consistent for fio_fiod_frame_read() and fio_fiod_frame_size() as count of octets from and including frame number octet to end of payload. This also matches frame descriptions in ATC5201 and other standards.
fiodriver: make frame size value consistent for fio_fiod_frame_read() and
fio_fiod_frame_size() as count of octets from and including frame number
octet to end of payload. This also matches frame descriptions in ATC5201
and other standards.

gallagjm/APIRI,apiriadmin/APIRI,gallagjm/APIRI,gallagjm/APIRI,apiriadmin/APIRI