Slava Primenko

Broken support for CUDA versions < 11.1

3

[This commit](https://github.com/ggerganov/whisper.cpp/commit/2948c740a2bf43190b8e3badb6f1e147f11f96d1) breaks the compatibility with older CUDA versions, presumably < 11.1. The culprit is `cudaHostRegisterReadOnly` parameter that [is used](https://github.com/ggerganov/whisper.cpp/blob/fc366b807a17dc05813a6fcc13c8c4dfd442fa6a/ggml-cuda.cu#L2800) in `ggml-cuda.cu`, but was only introduced in CUDA 11.1, [if...