Only call SPI.usingInterrupt if SPI_HAS_NOTUSINGINTERRUPT is defined

Author: sandeepmistry

src/LoRa.cpp

@@ -282,8 +282,9 @@ void LoRaClass::onReceive(void(*callback)(int))
     pinMode(_dio0, INPUT);
 
     writeRegister(REG_DIO_MAPPING_1, 0x00);
-
+#ifdef SPI_HAS_NOTUSINGINTERRUPT
     SPI.usingInterrupt(digitalPinToInterrupt(_dio0));
+#endif
     attachInterrupt(digitalPinToInterrupt(_dio0), LoRaClass::onDio0Rise, RISING);
   } else {
     detachInterrupt(digitalPinToInterrupt(_dio0));