Memory Protection Unit example.

This example project uses the EFM32 CMSIS including the STK BSP (board support
package). It sets up the MPU to demonstrate usage of the MPU to catch memory
access violations. The STK push-buttons (PB0 and PB1) are used to generate MPU
faults.

Board:  Silicon Labs EFM32-Gxxx-STK Development Kit
Device: EFM32G890F128
