audio_board: fix blank display bug

Author: aastefanov

hardware/firmware/audio_board/src/display.h

@@ -10,7 +10,7 @@
 #define TFT_DC (12)
 #define TFT_CS (10)
 #define TFT_MOSI (11)
-#define TFT_RST (0xFF)
+#define TFT_RST (24)
 #define TFT_SCK (13)
 
 #define SCREEN_WIDTH 80   // OLED display width, in pixels