added blas=1.0=mkl to INSTALL (facebookresearch#2939)

Summary: Pull Request resolved: facebookresearch#2939

Reviewed By: algoriddle

Differential Revision: D47229098

Pulled By: mlomeli1

fbshipit-source-id: 91761499d9cd13ecafe12186ddbd80224c2e7410

Author: mlomeli1

INSTALL.md

@@ -12,10 +12,10 @@ To install the latest stable release:
 
 ``` shell
 # CPU-only version
-$ conda install -c pytorch faiss-cpu=1.7.4 mkl=2021
+$ conda install -c pytorch faiss-cpu=1.7.4 mkl=2021 blas=1.0=mkl
 
 # GPU(+CPU) version
-$ conda install -c pytorch -c nvidia faiss-gpu=1.7.4 mkl=2021
+$ conda install -c pytorch -c nvidia faiss-gpu=1.7.4 mkl=2021 blas=1.0=mkl
 ```
 
 For faiss-gpu, the nvidia channel is required for cudatoolkit=11.4, which is not