sensor/vl53l1x: add ST's vl53l1x API

This library written by STMicroelectronics is dedicated to vl53l1x time of flight sensor.
This library is called from the vl53l1x driver and is kept transparent for user.
User is calling a standard Zephyr driver and then the driver makes some calls to this library.

Origin: ST Microelectronics
License: BSD-3-Clause
URL: http://www.st.com/en/embedded-software/stsw-img007.html


Commit: v2.3.3
Purpose: ST Microelectonics official API to use vl53l1x sensor.
Maintained-by: External

Signed-off-by: Chris Schramm <schramm@makaio.com>