BearSLL: increase input buffer size to allow file downloading

Author: pennam

src/AIoTC_Config.h

@@ -115,9 +115,14 @@
 #endif
 
 #if defined(ARDUINO_PORTENTA_H7_M7) || defined(ARDUINO_NICLA_VISION) || defined(ARDUINO_OPTA) || defined(ARDUINO_GIGA)
+  #define BEAR_SSL_CLIENT_IBUF_SIZE (16384 + 325) // Allows download from storage API
   #define BOARD_STM32H7
 #endif
 
+#if defined(ARDUINO_NANO_RP2040_CONNECT)
+  #define BEAR_SSL_CLIENT_IBUF_SIZE (16384 + 325) // Allows download from storage API
+#endif
+
 #if defined(ARDUINO_EDGE_CONTROL)
   #define BOARD_HAS_SECRET_KEY
   #define HAS_TCP