espressif: add missing call to board_requests_safe_mode()

Author: bootc

ports/espressif/supervisor/port.c

@@ -292,6 +292,10 @@ safe_mode_t port_init(void) {
             break;
     }
 
+    if (board_requests_safe_mode()) {
+        return SAFE_MODE_USER;
+    }
+
     return SAFE_MODE_NONE;
 }