fixed build without ENV_INCLUDE_GPS

variants/sensecap_solar/target.cpp

@@ -1,8 +1,9 @@
 #include <Arduino.h>
 #include "target.h"
 #include <helpers/ArduinoHelpers.h>
+#ifdef ENV_INCLUDE_GPS
 #include <helpers/sensors/MicroNMEALocationProvider.h>
-
+#endif
 SenseCapSolarBoard board;
 
 RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, SPI);