Update from 2.0.x

Fix lvgl mem size

Marlin/src/lcd/extui/mks_ui/tft_lvgl_configuration.cpp

@@ -147,7 +147,7 @@ void tft_lvgl_init() {
 
   lv_init();
 
-  lv_disp_buf_init(&disp_buf, bmp_public_buf, nullptr, LV_HOR_RES_MAX * 14); // Initialize the display buffer
+  lv_disp_buf_init(&disp_buf, bmp_public_buf, nullptr, (BUF_SIZE_KB*1024)/2); // Initialize the display buffer
 
   lv_disp_drv_t disp_drv;     // Descriptor of a display driver
   lv_disp_drv_init(&disp_drv);    // Basic initialization