RKH: Inyector Control demo

- Exercises of state machine test using [Unity](https://github.com/ThrowTheSwitch/Unity), [Cmock](https://github.com/ThrowTheSwitch/CMock) and [Ceedling](https://github.com/ThrowTheSwitch/Ceedling) frameworks.
- With unitrazer RKH harness.
- Linux x86 BSP

CESE2017: [AUTO-ER-0001-REQ0005].