CMSIS DSP_Lib example arm_variance_example.

The example is available for different targets:
  Cortex-M0
  Cortex-M3
  Cortex-M4 with FPU
  Cortex-M7 with single precision FPU
  Cortex-M55 with double precision FPU, Integer + Floating Point MVE

The example is configured for Models Debugger
