Add detection support for LTR390UV Sensor (#6009)

* Add detection support for LTR390UV Sensor

The LTR390 is a UV sensor. This patch adds detection support, for
a future patch that will add the full sensor support.

* Update ScanI2C.h

src/detect/ScanI2C.h

@@ -68,6 +68,7 @@ class ScanI2C
         NXP_SE050,
         DFROBOT_RAIN,
         DPS310,
+        LTR390UV,
     } DeviceType;
 
     // typedef uint8_t DeviceAddress;