Revert "arm: clean up the messy sub-architecture & CPU features"

This reverts commit 96f45c27b65307fe4abd5d1fb1cf314b1f493d8e.
9c3eff9193Andrew Kelley committed on 2/20/2020, 5:18:32 PMparent3c76e5e
1 file changedLine totals unavailable