Tutorial "07-AI-Engine-Floating-Point" requires a fix

[L30nardoSV]

Hi

https://github.com/Xilinx/Vitis-Tutorials/tree/2023.2/AI_Engine_Development/AIE/Feature_Tutorials/07-AI-Engine-Floating-Point#fpneg_mul

and

https://github.com/Xilinx/Vitis-Tutorials/tree/2023.2/AI_Engine_Development/AIE/Feature_Tutorials/07-AI-Engine-Floating-Point#fpneg_abs_mul

Present the same function signature, description, and code example, which is not expected as far as I understand.

[OTremois]

I corrected the README file