Fixed simu build failure for NV14.

radio/src/targets/nv14/board.h

@@ -483,7 +483,7 @@ void telemetryPortInit(uint32_t baudrate, uint8_t mode);
 void telemetryPortSetDirectionOutput();
 void telemetryPortSetDirectionInput();
 void sportSendBuffer(uint8_t * buffer, uint32_t count);
-uint8_t telemetryGetByte(uint8_t * byte);
+bool telemetryGetByte(uint8_t * byte);
 void telemetryClearFifo();
 void sportSendByte(uint8_t byte);
 extern uint32_t telemetryErrors;

radio/src/targets/nv14/telemetry_driver.cpp

@@ -197,7 +197,7 @@ extern "C" void TELEMETRY_USART_IRQHandler(void)
 }
 
 // TODO we should have telemetry in an higher layer, functions above should move to a sport_driver.cpp
-uint8_t telemetryGetByte(uint8_t * byte)
+bool telemetryGetByte(uint8_t * byte)
 {
 #if defined(PCBX12S)
   if (telemetryFifoMode & TELEMETRY_SERIAL_WITHOUT_DMA)