I2C temperature sensor example.

This example project uses the EFM32 CMSIS and emlib including DK BSP
(board support package) and demonstrates the use of the I2C bus
accessing the temperature sensor on the DK.

The following configuration is possible:

- Joystick push toggles between Fahrenheit and Celsius display mode.

The result is displayed on the TFT-LCD. Press the AEM button to show
Keys:EFM to enable on-screen results.

Board:  Silicon Labs EFM32G-DK3550 Development Kit
Device: EFM32G890F128
