input: sensors: add sensors calibrate interface of sensors class

The sensors calibrate interface is a generic interface for sensor
calibrate. Add the interface for user space applications to calibrate
sensors. The interface can send the calibration data to userspace and
also get the calibration data form userspace to driver.

Change-Id: I156e1878f813e8ab0adfb3f2253cdd7fad65e55d
Signed-off-by: Daqing Chen <chendaqing@codeaurora.org>