Moved ss pin toggling inside of spi transaction block.

Author: Leedan Johnson

src/LoRa.cpp

@@ -765,14 +765,12 @@ uint8_t LoRaClass::singleTransfer(uint8_t address, uint8_t value)
 {
   uint8_t response;
 
-  digitalWrite(_ss, LOW);
-
   _spi->beginTransaction(_spiSettings);
+  digitalWrite(_ss, LOW);
   _spi->transfer(address);
   response = _spi->transfer(value);
-  _spi->endTransaction();
-
   digitalWrite(_ss, HIGH);
+  _spi->endTransaction();
 
   return response;
 }