Use pytorch-stonepia folder as a root folder for building proxy pytorch (#2672)

Closes #2651 

Having multiple versions of PyTorch should not be a problem. One of the
possible scenarios is when the build occurs in different environments
and they should not conflict.

Signed-off-by: Anatoly Myachev <[email protected]>

Author: anmyachev

scripts/compile-pytorch-ipex.sh

@@ -100,7 +100,7 @@ fi
 # Configure, build and install PyTorch from source.
 
 if [[ $BUILD_PYTORCH = true ]]; then
-  PYTORCH_PROJ=$BASE/pytorch
+  PYTORCH_PROJ=$BASE/pytorch-stonepia
 
   echo "**** Cleaning $PYTORCH_PROJ before build ****"
   rm -rf $PYTORCH_PROJ