Fixed GPS pin Definitions

src/configuration.h

@@ -168,6 +168,13 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // This string must exactly match the case used in release file names or the android updater won't work
 #define HW_VENDOR "heltec"
 
+// the default ESP32 Pin of 15 is the Oled SCL, set to 36 and 37 and works fine.
+//Tested on Neo6m module. 
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 36
+#define GPS_TX_PIN 37
+
 #ifndef USE_JTAG  // gpio15 is TDO for JTAG, so no I2C on this board while doing jtag
 #define I2C_SDA 4 // I2C pins for this board
 #define I2C_SCL 15