[PATCH] Add SM3 x86-64 AVX/BMI2 assembly implementation

[Jussi Kivilinna]

Hello,

On 14.12.2021 9.21, Tianjia Zhang via Gcrypt-devel wrote:
> 
> Great job, it is very valuable to us, if possible, add this tag:
> 
> Reviewed-and-tested-by: Tianjia Zhang <tianjia.zhang at linux.alibaba.com>

Thanks. Pushed commit to master with few changes to inline code comments.

-Jussi