Add hipFFT include directory (transitional step) before ROCm. (#5992)
Add hipFFT include directory (transitional step) before ROCm. (#5992)

hipFFT is transitioning to a separate repository (away from being
included in rocFFT).  During this transition, using the hipFFT version
of hipfft.h won't produce a deprecation warning.
microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime