[SX123x] Added delay to halting while loops

examples/SX123x/SX123x_Receive_Blocking/SX123x_Receive_Blocking.ino

@@ -44,7 +44,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while (true);
+    while (true) { delay(10); }
   }
 }
 

examples/SX123x/SX123x_Transmit_Blocking/SX123x_Transmit_Blocking.ino

@@ -43,7 +43,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while (true);
+    while (true) { delay(10); }
   }
 }