RW Refactoring

- FSFW update: SPI device is part of ComIF now
- Only set RW mode (speed is set a side effect but not necessary) once
- Release SPI bus in the 70 ms delay duration

mission/devices/GyroADIS1650XHandler.cpp

@@ -408,7 +408,7 @@ ReturnValue_t GyroADIS1650XHandler::spiSendCallback(SpiComIF *comIf, SpiCookie *
       int retval = 0;
       // Prepare transfer
       int fileDescriptor = 0;
-      std::string device = cookie->getSpiDevice();
+      std::string device = comIf->getSpiDev();
       UnixFileGuard fileHelper(device, &fileDescriptor, O_RDWR, "SpiComIF::sendMessage");
       if (fileHelper.getOpenResult() != HasReturnvaluesIF::RETURN_OK) {
         return SpiComIF::OPENING_FILE_FAILED;