[Stream] Added delay to halting while loops

examples/Stream/Stream_Receive/Stream_Receive.ino

@@ -51,7 +51,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while (true);
+    while (true) { delay(10); }
   }
 
   // set the function that will be called
@@ -69,7 +69,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while (true);
+    while (true) { delay(10); }
   }
 
   // if needed, 'listen' mode can be disabled by calling

examples/Stream/Stream_Transmit/Stream_Transmit.ino

@@ -65,7 +65,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while (true);
+    while (true) { delay(10); }
   }
 
   // set the function that will be called