atusb.brd: moved via and bumped version number
atusb.brd: moved via and bumped version number

- atusb.brd: moved nRST_RF MCU-side via away from SLP_TR via, to avoid
  accidental solder bridges
- atusb.brd: increased version number to 20101230

cfriedt/ben-wpan,cfriedt/ben-wpan,cfriedt/ben-wpan,cfriedt/ben-wpan,cfriedt/ben-wpan,cfriedt/ben-wpan