ASoC: wcd_cpe_core: Add support for calibration

Calibration is required by several CPE modules like listen and AFE,
add support to retrieve the audio calibration data for CPE drivers.

Change-Id: I313f278f803e9cdf045ba203afca0a83c859d7a2
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>