🚸 Test LIN_ADVANCE in a pins file

Author: thinkyhead

Marlin/src/pins/esp32/pins_MRR_ESPE.h

@@ -55,7 +55,9 @@
 #define I2S_WS                                26
 #define I2S_BCK                               25
 #define I2S_DATA                              27
-#undef LIN_ADVANCE                                // Currently, I2S stream does not work with linear advance
+#if ENABLED(LIN_ADVANCE)
+  #error "I2S stream is currently incompatible with LIN_ADVANCE."
+#endif
 
 //
 // Steppers