Added debug print with compiled client file name

Signed-off-by: Sara Damiano <sdamiano@stroudcenter.org>

src/TinyGsmClientSIM7000.h

@@ -153,6 +153,7 @@ class TinyGsmSim7000 : public TinyGsmModem<TinyGsmSim7000>,
  protected:
   bool initImpl(const char* pin = NULL) {
     DBG(GF("### TinyGSM Version:"), TINYGSM_VERSION);
+    DBG(GF("### TinyGSM Compiled Module:  TinyGsmClientSIM7000"));
 
     if (!testAT()) { return false; }