Added MSP DisplayPort feature

app.py

@@ -89,6 +89,7 @@ BUILD_OPTIONS = [
     Feature('MSP', 'MSP_SENSORS', 'HAL_MSP_SENSORS_ENABLED', 'Enable MSP Sensors', 0, None),
     Feature('MSP', 'MSP_OPTICALFLOW', 'HAL_MSP_OPTICALFLOW_ENABLED', 'Enable MSP OpticalFlow', 0, None),
     Feature('MSP', 'MSP_RANGEFINDER', 'HAL_MSP_RANGEFINDER_ENABLED', 'Enable MSP Rangefinder', 0, None),
+    Feature('MSP', 'MSP_DISPLAYPORT', 'HAL_WITH_MSP_DISPLAYPORT', 'Enable MSP DisplayPort (aka CANVAS MODE)', 0, None),
 
     Feature('ICE', 'EFI', 'HAL_EFI_ENABLED', 'Enable EFI Monitoring', 0, None),
     Feature('ICE', 'EFI_NMPWU', 'HAL_EFI_NWPWU_ENABLED', 'Enable EFI NMPMU', 0, None),