removes firmwares to just keep BSP

libwrap/sys/openat.c

@@ -0,0 +1,11 @@
+/* See LICENSE of license details. */
+
+#include <errno.h>
+#include "stub.h"
+#include "weak_under_alias.h"
+
+int __wrap_openat(int dirfd, const char* name, int flags, int mode)
+{
+  return _stub(ENOENT);
+}
+weak_under_alias(openat);