Set testet delays for K8200, RAMBO, MINIRAMBO and ST7920

Marlin/ultralcd_st7920_u8glib_rrd.h

@@ -70,10 +70,30 @@
     #define ST7920_DELAY_1 DELAY_0_NOP
   #endif
   #ifndef ST7920_DELAY_2
+    #define ST7920_DELAY_2 DELAY_3_NOP
+  #endif
+  #ifndef ST7920_DELAY_3
+    #define ST7920_DELAY_3 DELAY_0_NOP
+  #endif
+#elif (MOTHERBOARD == BOARD_MINIRAMBO)
+  #ifndef ST7920_DELAY_1
+    #define ST7920_DELAY_1 DELAY_0_NOP
+  #endif
+  #ifndef ST7920_DELAY_2
+    #define ST7920_DELAY_2 DELAY_4_NOP
+  #endif
+  #ifndef ST7920_DELAY_3
+    #define ST7920_DELAY_3 DELAY_0_NOP
+  #endif
+#elif (MOTHERBOARD == BOARD_RAMBO)
+  #ifndef ST7920_DELAY_1
+    #define ST7920_DELAY_1 DELAY_0_NOP
+  #endif
+  #ifndef ST7920_DELAY_2
     #define ST7920_DELAY_2 DELAY_0_NOP
   #endif
   #ifndef ST7920_DELAY_3
-    #define ST7920_DELAY_3 DELAY_1_NOP
+    #define ST7920_DELAY_3 DELAY_0_NOP
   #endif
 #elif F_CPU == 16000000
   #ifndef ST7920_DELAY_1