Implement driver for MMA8451Q, Freescale inertial sensor

[forGGe]

The MMA8451Q is a smart, low-power, three-axis, capacitive, micromachined
accelerometer with 14 bits of resolution. It uses I2C to communicate with MCU.

The MMA8451Q is placed on FRDM-KE02Z board, so example must be provided that works with that board.

To be able to evaluate the driver, I2C must be done in KE02 platform.

Datasheet: https://www.nxp.com/docs/en/data-sheet/MMA8451Q.pdf

Roadmap:

• Unit tests
• Implementation
• JSON configurator
• Documentation page
• Usage example based on FRDM-KE02Z board

Related issues:

• Add I2C support to KE02 platform #380 I2C implementation in KE02Z