Allow for both BT and RTL_433 Gateways at the same time. (#1491)

* Allow for both BT and RTL_433 Gateways at the same time.

* Fix linting error.

main/ZgatewayBT.ino

@@ -70,7 +70,7 @@ vector<BLEAction> BLEactions;
 vector<BLEdevice*> devices;
 int newDevices = 0;
 
-static BLEdevice NO_DEVICE_FOUND = {{0},
+static BLEdevice NO_BT_DEVICE_FOUND = {{0},
                                        0,
                                        false,
                                        false,
@@ -361,7 +361,7 @@ BLEdevice* getDeviceByMac(const char* mac) {
       return *it;
     }
   }
-  return &NO_DEVICE_FOUND;
+  return &NO_BT_DEVICE_FOUND;
 }
 
 bool updateWorB(JsonObject& BTdata, bool isWhite) {
@@ -388,7 +388,7 @@ void createOrUpdateDevice(const char* mac, uint8_t flags, int model, int mac_typ
   }
 
   BLEdevice* device = getDeviceByMac(mac);
-  if (device == &NO_DEVICE_FOUND) {
+  if (device == &NO_BT_DEVICE_FOUND) {
     Log.trace(F("add %s" CR), mac);
     //new device
     device = new BLEdevice();

main/ZgatewayRTL_433.ino

@@ -47,7 +47,7 @@ SemaphoreHandle_t semaphorecreateOrUpdateDeviceRTL_433;
 std::vector<RTL_433device*> RTL_433devices;
 int newRTL_433Devices = 0;
 
-static RTL_433device NO_DEVICE_FOUND = {{0},
+static RTL_433device NO_RTL_433_DEVICE_FOUND = {{0},
                                                 0,
                                                 false};
 
@@ -60,7 +60,7 @@ RTL_433device* getDeviceById(const char* id) {
       return *it;
     }
   }
-  return &NO_DEVICE_FOUND;
+  return &NO_RTL_433_DEVICE_FOUND;
 }
 
 void dumpRTL_433Devices() {
@@ -79,7 +79,7 @@ void createOrUpdateDeviceRTL_433(const char* id, const char* model, uint8_t flag
   }
 
   RTL_433device* device = getDeviceById(id);
-  if (device == &NO_DEVICE_FOUND) {
+  if (device == &NO_RTL_433_DEVICE_FOUND) {
     Log.trace(F("add %s" CR), id);
     //new device
     device = new RTL_433device();