The factory test needs to know whether the calibration completed.
This flag helps to confirm the calibration completed or not.
Signed-off-by: NShuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20190806091459.14382-1-shumingf@realtek.comSigned-off-by: NMark Brown <broonie@kernel.org>