drivers:input:vl53l0x add some calibration interface of vl53l0x

This change add STM vl53l0x sensor calibration test attribute
for APQ8009 Robotics.
VL53L0X is a ranging and gesture detection sensor through
i2c in 400kb/s.
Icm20602 driver can  push the data to userspace
by sysfs which is calibrate by the driver application.

From: FMenziesENG <f.menzies.gb@ieee.org>
Signed-off-by: FMenziesENG <f.menzies.gb@ieee.org>
Signed-off-by: xuji <xuji@codeaurora.org>
Git-Commit: c0dbf64c
Git-Repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


[chaojun@codeaurora.org: Add API to userspace through sysfs]
Change-Id: I2e9afa07b22f9c9a9e1408859566a6312e2c8714
Signed-off-by: Chaojun Wang <chaojun@codeaurora.org>