[PATCH v2 1/3] erofs-utils: add xxh32 library

[Gao Xiang]

On 2023/7/5 15:10, Jingbo Xu wrote:
> Add xxh32 library which could be used by following xattr bloom filter
> feature.
> 
> Signed-off-by: Jingbo Xu <jefflexu at linux.alibaba.com>

I'd suggest using the original xxhash library instead of copying an
simplified implementation here since we don't touch the implementation.

https://rpmfind.net/linux/rpm2html/search.php?query=xxhash

Thanks,
Gao Xiang