Merge pull request wled#2324 from yoeywire/DMXdefine

Corrected WLED_USE_DMX to WLED_ENABLE_DMX

Author: blazoncek

wled00/wled.cpp

@@ -303,7 +303,7 @@ void WLED::setup()
 #ifdef WLED_DEBUG
   pinManager.allocatePin(1, true, PinOwner::DebugOut); // GPIO1 reserved for debug output
 #endif
-#ifdef WLED_USE_DMX //reserve GPIO2 as hardcoded DMX pin
+#ifdef WLED_ENABLE_DMX //reserve GPIO2 as hardcoded DMX pin
   pinManager.allocatePin(2, true, PinOwner::DMX);
 #endif