Fix Octopus 12864 LCD Delays (#21883)

Marlin/src/pins/stm32f4/pins_BTT_OCTOPUS_V1_0.h

 // Alter timing for graphical display
 #if HAS_MARLINUI_U8GLIB
   #ifndef BOARD_ST7920_DELAY_1
-    #define BOARD_ST7920_DELAY_1    DELAY_NS(96)
+    #define BOARD_ST7920_DELAY_1   DELAY_NS(120)  // DELAY_NS(96)
   #endif
   #ifndef BOARD_ST7920_DELAY_2
-    #define BOARD_ST7920_DELAY_2    DELAY_NS(48)
+    #define BOARD_ST7920_DELAY_2   DELAY_NS(80)   // DELAY_NS(48)
   #endif
   #ifndef BOARD_ST7920_DELAY_3
-    #define BOARD_ST7920_DELAY_3   DELAY_NS(600)
+    #define BOARD_ST7920_DELAY_3   DELAY_NS(580)  // DELAY_NS(600)
   #endif
 #endif