Init LCD welcome message programmatically

Marlin/src/Marlin.cpp

   #endif
 
   lcd_init();
+  LCD_MESSAGEPGM(WELCOME_MSG);
 
   #if ENABLED(SHOW_BOOTSCREEN)
     lcd_bootscreen();

Marlin/src/lcd/ultralcd.cpp

   #define MAX_MESSAGE_LENGTH CHARSIZE * (LCD_WIDTH)
 #endif
 
-char lcd_status_message[MAX_MESSAGE_LENGTH + 1] = WELCOME_MSG;
+char lcd_status_message[MAX_MESSAGE_LENGTH + 1];
 
 #if ENABLED(SCROLL_LONG_FILENAMES)
   uint8_t filename_scroll_pos, filename_scroll_max, filename_scroll_hash;