whisper : restore big endian support (#2816)
* whisper : fix BYTESWAP whitespace
* whisper : make byteswap useable with C++17
* cmake : define WHISPER_BIG_ENDIAN for big-endian targets
* ci : fix (again) arm64 build fails
* docker : attempt fixing arm64 build on ci
* qemu v7.0.0-28
[imported from
https://github.com/ggml-org/llama.cpp
/commit/818a340ea8be55b3706e1772527cb8738e90a8c7
(#11895)]
---------
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
