Demonstrations for HAU operation.

1. HAU_Sign32BitDiv_Demo : demostrate HAU 32bit signed data division operation.

2. HAU_Unsign32BitDiv_Demo : demostrate HAU 32bit unsigned data division operation.

3. HAU_SinCosOperation_Demo : demostrate HAU sin and cos operation.

4. HAU_ArctanOperation_Demo : demostrate HAU arctan operation.
