Config: fix thing id request backoff in case of detached board

Author: pennam

src/AIoTC_Config.h

@@ -155,7 +155,7 @@
   #define AIOT_CONFIG_THING_ID_REQUEST_MAX_RETRY_CNT                 (10UL)
 
   #define AIOT_CONFIG_DEVICE_REGISTERED_RETRY_DELAY_k                (10UL)
-  #define AIOT_CONFIG_MAX_DEVICE_REGISTERED_RETRY_DELAY_k             (4UL)
+  #define AIOT_CONFIG_MAX_DEVICE_REGISTERED_RETRY_DELAY_k            (40UL)
 
   #define AIOT_CONFIG_TIMEOUT_FOR_LASTVALUES_SYNC_ms              (30000UL)
   #define AIOT_CONFIG_LASTVALUES_SYNC_MAX_RETRY_CNT                  (10UL)