More direct color inversion option naming

Author: frhun

components/tft/tftspi.h

@@ -171,7 +171,7 @@
 #define TFT_INVERT_ROTATION1        1
 #define TFT_RGB_BGR                 0x00
 //To be used by user application for initialization
-#define TFT_ALLWAYS_INVERTED
+#define TFT_START_COLORS_INVERTED
 
 #define USE_TOUCH	TOUCH_TYPE_NONE
 

main/tft_demo.c

@@ -1344,7 +1344,7 @@ void app_main()
 
 	printf("SPI: display init...\r\n");
 	TFT_display_init();
-#ifdef TFT_ALLWAYS_INVERTED
+#ifdef TFT_START_COLORS_INVERTED
 	TFT_invertDisplay(1);
 #endif
     printf("OK\r\n");