[RTTY] Added delay to halting while loops

examples/RTTY/RTTY_Transmit/RTTY_Transmit.ino

@@ -55,7 +55,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while(true);
+    while (true) { delay(10); }
   }
 
   // initialize RTTY client
@@ -81,7 +81,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while(true);
+    while (true) { delay(10); }
   }
 
   /*

examples/RTTY/RTTY_Transmit_AFSK/RTTY_Transmit_AFSK.ino

@@ -63,7 +63,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while(true);
+    while (true) { delay(10); }
   }
 
   // initialize RTTY client
@@ -81,7 +81,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while(true);
+    while (true) { delay(10); }
   }
 
   /*