Revert "Remove the custom variant of the "ota_from_target_files" script."

This reverts commit 47d418e5f9d082132eccde3d75aae9e924f6f50c.
Revert "Convert the changes from common-ota_from_target_files.py to a device-specific hook for the "core" ota_from_target_files script."

This reverts commit 045af33d013f3505e2d1a2b819fb7ed62054fdfd.
add OmniTorch config