Add the Heltec v4 expansion box. (#8539)

* Add the Heltec v4 expansion box.

* Change heltec-v4-oled to heltec-v4.

* Add touchscreen to I2C scanning.

* Add reset and busy pins to the ST7789.

* Ignore the touch interrupt pin and extend the sleep time to 1 hour.

* Remove the default sleep function.

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Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

src/detect/ScanI2C.h

@@ -84,7 +84,8 @@ class ScanI2C
         TSL2561,
         DRV2605,
         BH1750,
-        DA217
+        DA217,
+        CHSC6X
     } DeviceType;
 
     // typedef uint8_t DeviceAddress;