fix -/_ correction
fix -/_ correction

We had this done backwards

Signed-off-by: Andy Doan <09032574f02f3d5e4e489a718b8705f28c474e94@linaro.org>

96boards/96BoardsGPIO,96boards/96BoardsGPIO,96boards/96BoardsGPIO,96boards/96BoardsGPIO