Heltec boards sensor and low power features update (#4418)

* Update sensor drive and low power features.

* Update ST7789 TFT control logic.

* Update Heltec nRF board low power features.

* Update the GPS UART port pointer

variants/heltec_capsule_sensor_v3/variant.h

@@ -40,3 +40,13 @@
 
 #define SX126X_DIO2_AS_RF_SWITCH
 #define SX126X_DIO3_TCXO_VOLTAGE 1.8
+
+#define I2C_SDA 1
+#define I2C_SCL 2
+#define HAS_SCREEN 0
+#define SENSOR_POWER_CTRL_PIN 21
+#define SENSOR_POWER_ON       1
+
+#define SENSOR_GPS_CONFLICT
+
+#define ESP32S3_WAKE_TYPE ESP_EXT1_WAKEUP_ANY_HIGH