AP_RangeFinder: TFMiniPlus: respect max configured via param

Do like other drivers do and cap the maximum reported value with what is
configured in the parameter.

libraries/AP_RangeFinder/AP_RangeFinder_Benewake_TFMiniPlus.cpp

@@ -23,6 +23,7 @@
 extern const AP_HAL::HAL& hal;
 
 #define DRIVER "TFMiniPlus"
+#define BENEWAKE_OUT_OF_RANGE_ADD_CM 100
 
 /*
  * Command format:
@@ -165,10 +166,10 @@ void AP_RangeFinder_Benewake_TFMiniPlus::process_raw_measure(le16_t distance_raw
          * value to 0." - force it to the max distance so status is set to OutOfRangeHigh
          * rather than NoData.
          */
-        output_distance_cm = MAX_DIST_CM;
+        output_distance_cm = MAX(MAX_DIST_CM, max_distance_cm() + BENEWAKE_OUT_OF_RANGE_ADD_CM);
+    } else {
+        output_distance_cm = constrain_int16(output_distance_cm, MIN_DIST_CM, MAX_DIST_CM);
     }
-
-    output_distance_cm = constrain_int16(output_distance_cm, MIN_DIST_CM, MAX_DIST_CM);
 }
 
 bool AP_RangeFinder_Benewake_TFMiniPlus::check_checksum(uint8_t *arr, int pkt_len)