✏️ Fix FYSETC Mini Panel neopixel type (#24011, #24111)

Marlin/src/inc/SanityCheck.h

@@ -2350,23 +2350,21 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
 #endif
 
 /**
- * FYSETC LCD Requirements
+ * FYSETC/MKS/BTT Mini Panel Requirements
  */
 #if EITHER(FYSETC_242_OLED_12864, FYSETC_MINI_12864_2_1)
   #ifndef NEO_RGB
     #define NEO_RGB 123
-    #define FAUX_RGB 1
   #endif
   #if defined(NEOPIXEL_TYPE) && NEOPIXEL_TYPE != NEO_RGB
-    #error "Your FYSETC Mini Panel requires NEOPIXEL_TYPE to be NEO_RGB."
+    #error "Your FYSETC/MKS/BTT Mini Panel requires NEOPIXEL_TYPE to be NEO_RGB."
   #elif defined(NEOPIXEL_PIXELS) && NEOPIXEL_PIXELS < 3
-    #error "Your FYSETC Mini Panel requires NEOPIXEL_PIXELS >= 3."
+    #error "Your FYSETC/MKS/BTT Mini Panel requires NEOPIXEL_PIXELS >= 3."
   #endif
   #if FAUX_RGB
     #undef NEO_RGB
-    #undef FAUX_RGB
   #endif
-#elif EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0) && !DISABLED(RGB_LED)
+#elif EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0) && DISABLED(RGB_LED)
   #error "Your FYSETC Mini Panel requires RGB_LED."
 #endif
 

Marlin/src/inc/Warnings.cpp

@@ -579,10 +579,10 @@
 #endif
 
 /**
- * FYSETC backlighting
+ * FYSETC/MKS/BTT Mini Panel backlighting
  */
 #if EITHER(FYSETC_242_OLED_12864, FYSETC_MINI_12864_2_1) && !ALL(NEOPIXEL_LED, LED_CONTROL_MENU, LED_USER_PRESET_STARTUP, LED_COLOR_PRESETS)
-  #warning "Your FYSETC Mini Panel works best with NEOPIXEL_LED, LED_CONTROL_MENU, LED_USER_PRESET_STARTUP, and LED_COLOR_PRESETS."
+  #warning "Your FYSETC/MKS/BTT Mini Panel works best with NEOPIXEL_LED, LED_CONTROL_MENU, LED_USER_PRESET_STARTUP, and LED_COLOR_PRESETS."
 #endif
 
 #if EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0) && DISABLED(RGB_LED)