Add common define for boards with secure element

Author: pennam

src/AIoTC_Config.h

@@ -161,6 +161,10 @@
   #define HAS_TCP
 #endif
 
+#if defined(BOARD_HAS_SOFTSE) || defined(BOARD_HAS_OFFLOADED_ECCX08) || defined(BOARD_HAS_ECCX08) || defined(BOARD_HAS_SE050)
+  #define BOARD_HAS_SECURE_ELEMENT
+#endif
+
 /******************************************************************************
  * CONSTANTS
  ******************************************************************************/