Bring some configs up to speed

Marlin/src/config/examples/delta/FLSUN/kossel/Configuration.h

@@ -100,12 +100,21 @@
 /**
  * Select the serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port 0 is always used by the Arduino bootloader regardless of this setting.
+ * Note: The first serial port (-1 or 0) will always be used by the Arduino bootloader.
  *
- * :[0, 1, 2, 3, 4, 5, 6, 7]
+ * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
 #define SERIAL_PORT 0
 
+/**
+ * Select a secondary serial port on the board to use for communication with the host.
+ * This allows the connection of wireless adapters (for instance) to non-default port pins.
+ * Serial port -1 is the USB emulated serial port, if available.
+ *
+ * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
+ */
+#define SERIAL_PORT_2 -1
+
 /**
  * This setting determines the communication speed of the printer.
  *
@@ -1590,6 +1599,12 @@
 // Enable one of the following options to specify your controller.
 //
 
+//
+// Original RADDS LCD Display+Encoder+SDCardReader
+// http://doku.radds.org/dokumentation/lcd-display/
+//
+//#define RADDS_DISPLAY
+
 //
 // ULTIMAKER Controller.
 //
@@ -1819,6 +1834,13 @@
 //#define MKS_12864OLED          // Uses the SH1106 controller (default)
 //#define MKS_12864OLED_SSD1306  // Uses the SSD1306 controller
 
+//
+// AZSMZ 12864 LCD with SD
+// https://www.aliexpress.com/store/product/3D-printer-smart-controller-SMART-RAMPS-OR-RAMPS-1-4-LCD-12864-LCD-control-panel-green/2179173_32213636460.html
+//
+//#define AZSMZ_12864
+
+//
 // Silvergate GLCD controller
 // http://github.com/android444/Silvergate
 //