Add specific define for max number of retry connecting to device topic

Author: pennam

src/AIoTC_Config.h

@@ -141,6 +141,7 @@
 #define AIOT_CONFIG_MAX_RECONNECTION_RETRY_DELAY_ms               (32000UL)
 #define AIOT_CONFIG_DEVICE_TOPIC_SUBSCRIBE_RETRY_DELAY_ms          (2000UL)
 #define AIOT_CONFIG_MAX_DEVICE_TOPIC_SUBSCRIBE_RETRY_DELAY_ms     (32000UL)
+#define AIOT_CONFIG_DEVICE_TOPIC_MAX_RETRY_CNT                       (10UL)
 #define AIOT_CONFIG_DEVICE_TOPIC_ATTACH_RETRY_DELAY_ms            (20000UL)
 #define AIOT_CONFIG_MAX_DEVICE_TOPIC_ATTACH_RETRY_DELAY_ms      (1280000UL)
 #define AIOT_CONFIG_THING_TOPICS_SUBSCRIBE_RETRY_DELAY_ms          (1000UL)

src/ArduinoIoTCloudTCP.cpp

@@ -396,7 +396,7 @@ ArduinoIoTCloudTCP::State ArduinoIoTCloudTCP::handle_SubscribeDeviceTopic()
   }
 
   /* Max retry than disconnect */
-  if (_last_device_subscribe_cnt > AIOT_CONFIG_LASTVALUES_SYNC_MAX_RETRY_CNT)
+  if (_last_device_subscribe_cnt > AIOT_CONFIG_DEVICE_TOPIC_MAX_RETRY_CNT)
   {
     _last_device_subscribe_cnt = 0;
     return State::Disconnect;