Update HX8357D driver to support RGB and BGR displays

In setup add the following lines:
// If green and blue swapped on display then change the RGB colour order
// Only uncomment ONE of the following options
#define TFT_RGB_ORDER TFT_RGB    //   Red-Green-Blue
//#define TFT_RGB_ORDER TFT_BGR    //   Blue-Green-RED

User_Setups/Setup15_HX8357D.h

@@ -2,6 +2,10 @@
 
 #define HX8357D_DRIVER
 
+// If green and blue swapped on display then change the RGB colour order
+// Only uncomment ONE of the following options
+#define TFT_RGB_ORDER TFT_RGB    //   Red-Green-Blue
+//#define TFT_RGB_ORDER TFT_BGR    //   Blue-Green-RED
 
 // For NodeMCU - use pin numbers in the form PIN_Dx where Dx is the NodeMCU pin designation
 #define TFT_CS   PIN_D8  // Chip select control pin D8