Change M7219 I to setup Max7219 registers, but not do initialization pattern

Marlin/src/gcode/feature/leds/M7219.cpp

 void GcodeSuite::M7219() {
   if (parser.seen('I')) {
     Max7219_Clear();
-    Max7219_init();
+    Max7219_register_setup();
   }
 
   if (parser.seen('F'))