Add multiple configuration options for a minimized build (GPS,WiFi,BT,MQTT,Screen). (#3469)

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

src/gps/GPS.cpp

@@ -1,8 +1,10 @@
-#include "GPS.h"
+#include "configuration.h"
+#if !MESHTASTIC_EXCLUDE_GPS
 #include "Default.h"
+#include "GPS.h"
 #include "NodeDB.h"
 #include "RTC.h"
-#include "configuration.h"
+
 #include "main.h" // pmu_found
 #include "sleep.h"
 #include "ubx.h"
@@ -1481,4 +1483,5 @@ void GPS::toggleGpsMode()
         LOG_DEBUG("Flag set to true to restore power. GpsMode: ENABLED\n");
         enable();
     }
-}
+}
+#endif // Exclude GPS

src/gps/GPS.h

@@ -1,4 +1,6 @@
 #pragma once
+#include "configuration.h"
+#if !MESHTASTIC_EXCLUDE_GPS
 
 #include "GPSStatus.h"
 #include "Observer.h"
@@ -268,4 +270,5 @@ class GPS : private concurrency::OSThread
     GnssModel_t gnssModel = GNSS_MODEL_UNKNOWN;
 };
 
-extern GPS *gps;
+extern GPS *gps;
+#endif // Exclude GPS

src/gps/NMEAWPL.cpp

@@ -1,3 +1,4 @@
+#if !MESHTASTIC_EXCLUDE_GPS
 #include "NMEAWPL.h"
 #include "GeoCoord.h"
 #include "RTC.h"
@@ -93,4 +94,6 @@ uint32_t printGGA(char *buf, size_t bufsz, const meshtastic_Position &pos)
     }
     len += snprintf(buf + len, bufsz - len, "*%02X\r\n", chk);
     return len;
-}
+}
+
+#endif