Merge pull request #1428 from etienn01/update-t114-i2c

Update T114 I2C pins for external RTC

variants/heltec_t114/variant.h

@@ -50,8 +50,8 @@
 ////////////////////////////////////////////////////////////////////////////////
 // I2C pin definition
 
-#define PIN_WIRE_SDA            (26)             // P0.26
-#define PIN_WIRE_SCL            (27)             // P0.27
+#define PIN_WIRE_SDA            (16)             // P0.16
+#define PIN_WIRE_SCL            (13)             // P0.13
 
 ////////////////////////////////////////////////////////////////////////////////
 // SPI pin definition