Initial support for MonteOps's fixed hardware platform (#2582)

* Initial support for MonteOps's fixed hardware platform

* Update platformio env config + cleanup

* Fix platformio build

* Fix platformio build

* Fix wrong definition logic for NCP5623

* Fix another wrong definition logic for NCP5623, it's not board feature

* Fix wrong definition logic for NCP5623 in External Notification code, it's not board feature

* We need for CI magic here

* Another fix related to NCP5623

* Fix cosmetic issue with redifined variable

* Fix typo

* Cleanup and update defs for HW1

* Fix OEM RAK4631

* Fix AQ sensor reading

* Fix AQ sensor reading (better variant)

* Fix build for other nRF52 devices

* Replace HAS_EINK_RAK to RAK_4631

src/platform/nrf52/main-nrf52.cpp

@@ -170,8 +170,11 @@ void cpuDeepSleep(uint32_t msecToWake)
     Serial1.end();
 #endif
     setBluetoothEnable(false);
+
 #ifdef RAK4630
+#ifdef PIN_3V3_EN
     digitalWrite(PIN_3V3_EN, LOW);
+#endif
 #ifndef USE_EINK
     // RAK-12039 set pin for Air quality sensor
     digitalWrite(AQ_SET_PIN, LOW);