Fysetc pins updates for RAMPS and SKR 1.3 (#13963)

Marlin/src/pins/pins_BIGTREE_SKR_V1.3.h

     #if ENABLED(FYSETC_MINI_12864)
       #define DOGLCD_CS    P1_18
       #define DOGLCD_A0    P1_19
+      #define DOGLCD_SCK   P0_15
+      #define DOGLCD_MOSI  P0_18
+      #define FORCE_SOFT_SPI
 
       #define LCD_BACKLIGHT_PIN -1
 
-      //#define FORCE_SOFT_SPI    // Use this if default of hardware SPI causes display problems
+      #define FORCE_SOFT_SPI      // Use this if default of hardware SPI causes display problems
                                   //   results in LCD soft SPI mode 3, SD soft SPI mode 0
 
       #define LCD_RESET_PIN P1_20   // Must be high or open for LCD to operate normally.

Marlin/src/pins/pins_RAMPS.h

       #define SD_DETECT_PIN     49
       #define KILL_PIN          41
 
-    #elif ENABLED(MKS_MINI_12864)   // Added in Marlin 1.1.6
-
-      #define DOGLCD_A0         27
-      #define DOGLCD_CS         25
-
-      // GLCD features
-      // Uncomment screen orientation
-      //#define LCD_SCREEN_ROT_90
-      //#define LCD_SCREEN_ROT_180
-      //#define LCD_SCREEN_ROT_270
+    #elif EITHER(MKS_MINI_12864, FYSETC_MINI_12864)
 
       #define BEEPER_PIN        37
-      // not connected to a pin
-      #define LCD_BACKLIGHT_PIN 65   // backlight LED on A11/D65
-
-      #define BTN_EN1           31
-      #define BTN_EN2           33
       #define BTN_ENC           35
-
       #define SD_DETECT_PIN     49
       #define KILL_PIN          41
 
-    #elif ENABLED(FYSETC_MINI_12864)   // Added in Marlin 1.1.9+
+      #if ENABLED(MKS_MINI_12864)   // Added in Marlin 1.1.6
 
-      // From https://wiki.fysetc.com/Mini12864_Panel/?fbclid=IwAR1FyjuNdVOOy9_xzky3qqo_WeM5h-4gpRnnWhQr_O1Ef3h0AFnFXmCehK8
-      #define BEEPER_PIN        37
+        #define DOGLCD_A0       27
+        #define DOGLCD_CS       25
 
-      #define DOGLCD_A0         16
-      #define DOGLCD_CS         17
+        // GLCD features
+        // Uncomment screen orientation
+        //#define LCD_SCREEN_ROT_90
+        //#define LCD_SCREEN_ROT_180
+        //#define LCD_SCREEN_ROT_270
 
-      #define BTN_EN1           31
-      #define BTN_EN2           33
-      #define BTN_ENC           35
+        // not connected to a pin
+        #define LCD_BACKLIGHT_PIN 65   // backlight LED on A11/D65
 
-      #define SD_DETECT_PIN     49
+        #define BTN_EN1         31
+        #define BTN_EN2         33
 
+      #elif ENABLED(FYSETC_MINI_12864)
 
+        // From https://wiki.fysetc.com/Mini12864_Panel/?fbclid=IwAR1FyjuNdVOOy9_xzky3qqo_WeM5h-4gpRnnWhQr_O1Ef3h0AFnFXmCehK8
 
-      //#define FORCE_SOFT_SPI    // Use this if default of hardware SPI causes display problems
-                                  //   results in LCD soft SPI mode 3, SD soft SPI mode 0
+        #define DOGLCD_A0       16
+        #define DOGLCD_CS       17
 
-      #define LCD_RESET_PIN     23   // Must be high or open for LCD to operate normally.
+        #define BTN_EN1         33
+        #define BTN_EN2         31
 
-      #if EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0)
-        #ifndef RGB_LED_R_PIN
-          #define RGB_LED_R_PIN 25
-        #endif
-        #ifndef RGB_LED_G_PIN
-          #define RGB_LED_G_PIN 27
-        #endif
-        #ifndef RGB_LED_B_PIN
-          #define RGB_LED_B_PIN 29
+        //#define FORCE_SOFT_SPI    // Use this if default of hardware SPI causes display problems
+                                    //   results in LCD soft SPI mode 3, SD soft SPI mode 0
+
+        #define LCD_RESET_PIN   23   // Must be high or open for LCD to operate normally.
+
+        #if EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0)
+          #ifndef RGB_LED_R_PIN
+            #define RGB_LED_R_PIN 25
+          #endif
+          #ifndef RGB_LED_G_PIN
+            #define RGB_LED_G_PIN 27
+          #endif
+          #ifndef RGB_LED_B_PIN
+            #define RGB_LED_B_PIN 29
+          #endif
+        #elif ENABLED(FYSETC_MINI_12864_2_1)
+          #define NEOPIXEL_PIN    25
         #endif
-      #elif ENABLED(FYSETC_MINI_12864_2_1)
-        #define NEOPIXEL_PIN    25
-      #endif
+
+    #endif
 
     #elif ENABLED(MINIPANEL)