TFT: Restore ILI9341 colors and reversed logic (#19010)

Followup to #18877, #18901, #18817

Marlin/src/pins/stm32f1/pins_LONGER3D_LK.h

@@ -130,6 +130,12 @@
 #define DOGLCD_MOSI                         -1    // Prevent auto-define by Conditionals_post.h
 #define DOGLCD_SCK                          -1
 
+#define FSMC_UPSCALE                           2
+#define LCD_FULL_PIXEL_WIDTH                 320
+#define LCD_FULL_PIXEL_HEIGHT                240
+#define LCD_PIXEL_OFFSET_X                    32
+#define LCD_PIXEL_OFFSET_Y                    32
+
 /**
  * Note: Alfawise U20/U30 boards DON'T use SPI2, as the hardware designer
  * mixed up MOSI and MISO pins. SPI is managed in SW, and needs pins