am 06ddeb0f: Move source prop files for docs/platforms/usb driver back into dev.

Merge commit '06ddeb0fbd7bd514b17fbb335d5e5e1eeb19397a' into eclair-mr2

* commit '06ddeb0fbd7bd514b17fbb335d5e5e1eeb19397a':
  Move source prop files for docs/platforms/usb driver back into dev.