board TTGO T-Fox added

src/hal/ttgofox.h

@@ -20,6 +20,9 @@
 #define MY_OLED_SCL (22)
 #define MY_OLED_RST U8X8_PIN_NONE
 
+// Pins for on board DS3231 RTC chip
+#define HAS_RTC MY_OLED_SDA, MY_OLED_SCL // SDA, SCL
+
 // Pins for LORA chip SPI interface, reset line and interrupt lines
 #define LORA_SCK  (5) 
 #define LORA_CS   (18)