Fix RAK4631 accelerometer (#4837)

src/detect/ScanI2CTwoWire.cpp

@@ -334,11 +334,10 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
 
                     // Check register 0x0F for 0x3300 response to ID LIS3DH chip.
                     registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x0F), 2);
-                    if (registerValue == 0x3300) {
+                    if (registerValue == 0x3300 || registerValue == 0x3333) { // RAK4631 WisBlock has LIS3DH register at 0x3333
                         type = LIS3DH;
                         LOG_INFO("LIS3DH accelerometer found\n");
                     }
-
                     break;
                 }
             case SHT31_4x_ADDR:
@@ -435,4 +434,4 @@ size_t ScanI2CTwoWire::countDevices() const
 {
     return foundDevices.size();
 }
-#endif
+#endif