chore: LoRa to use BOARD_HAS_LORA

Follows precedent established by Wi-Fi implementation.

Author: zfields

Diff for: src/Arduino_LoRaConnectionHandler.cpp

@@ -19,10 +19,10 @@
    INCLUDE
  ******************************************************************************/
 
-#if defined(ARDUINO_SAMD_MKRWAN1300) || defined(ARDUINO_SAMD_MKRWAN1310) /* Only compile if the board has LoRa */
-
 #include "Arduino_LoRaConnectionHandler.h"
 
+#if defined(BOARD_HAS_LORA) /* Only compile if the board has LoRa */
+
 /******************************************************************************
    TYPEDEF
  ******************************************************************************/
@@ -106,7 +106,7 @@ NetworkConnectionState LoRaConnectionHandler::update_handleInit()
   {
     Debug.print(DBG_ERROR, F("Something went wrong; are you indoor? Move near a window, then reset and retry."));
     return NetworkConnectionState::ERROR;
-  } 
+  }
   // Set channelmask based on configuration
   if (_channelMask) {
     _modem.sendMask(_channelMask);

Diff for: src/Arduino_LoRaConnectionHandler.h

@@ -24,6 +24,8 @@
 
 #include "Arduino_ConnectionHandler.h"
 
+#ifdef BOARD_HAS_LORA /* Only compile if the board has LoRa */
+
 /******************************************************************************
    CLASS DECLARATION
  ******************************************************************************/
@@ -72,4 +74,6 @@ class LoRaConnectionHandler : public ConnectionHandler
     LoRaModem _modem;
 };
 
+#endif /* #ifdef BOARD_HAS_LORA */
+
 #endif /* ARDUINO_LORA_CONNECTION_HANDLER_H_ */