ROCm Port (#1087)

ROCm Port (#1087)

* use hipblas based on cublas
* Update Makefile for the Cuda kernels
* Expand arch list and make it overrideable
* Fix multi GPU on multiple amd architectures with rocblas_initialize() (#5)
* add hipBLAS to README
* new build arg LLAMA_CUDA_MMQ_Y
* fix half2 decomposition
* Add intrinsics polyfills for AMD
* AMD assembly optimized __dp4a
* Allow overriding CC_TURING
* use "ROCm" instead of "CUDA"
* ignore all build dirs
* Add Dockerfiles
* fix llama-bench
* fix -nommq help for non CUDA/HIP

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Co-authored-by: YellowRoseCx <redacted>
Co-authored-by: ardfork <redacted>
Co-authored-by: funnbot <redacted>
Co-authored-by: Engininja2 <redacted>
Co-authored-by: Kerfuffle <redacted>
Co-authored-by: jammm <redacted>
Co-authored-by: jdecourval <redacted>