Fixes and improvements for PWM pins (#13383)

Marlin/src/module/endstops.cpp

@@ -886,7 +886,7 @@ void Endstops::update() {
         ES_REPORT_CHANGE(Z3_MAX);
       #endif
       SERIAL_ECHOLNPGM("\n");
-      analogWrite(LED_PIN, local_LED_status);
+      ANALOG_WRITE(LED_PIN, local_LED_status);
       local_LED_status ^= 255;
       old_live_state_local = live_state_local;
     }