Squashed 'auto_arch/' content from commit e09826b

git-subtree-dir: auto_arch
git-subtree-split: e09826b1c4956e9e35b837244e7dd224af17d146
Merge commit '127213b802c7a0140df670e3fb85a759e885ab90' as 'auto_arch'
add makefile to upd8 auto_arch