add rates_type to blackbox header

src/main/blackbox/blackbox.c

@@ -1427,7 +1427,7 @@ static bool blackboxWriteSysinfo(void)
                                                                             rcSmoothingData->derivativeCutoffFrequency);
         BLACKBOX_PRINT_HEADER_LINE("rc_smoothing_rx_average", "%d",         rcSmoothingData->averageFrameTimeUs);
 #endif // USE_RC_SMOOTHING_FILTER
-
+        BLACKBOX_PRINT_HEADER_LINE("rates_type", "%d",                      currentControlRateProfile->rates_type);
 
         default:
             return true;