Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/crypto/caam/dpseci-debugfs.h b/drivers/crypto/caam/dpseci-debugfs.h
new file mode 100644
index 0000000..bc22af7
--- /dev/null
+++ b/drivers/crypto/caam/dpseci-debugfs.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/* Copyright 2019 NXP */
+
+#ifndef DPSECI_DEBUGFS_H
+#define DPSECI_DEBUGFS_H
+
+#include <linux/dcache.h>
+#include "caamalg_qi2.h"
+
+#ifdef CONFIG_DEBUG_FS
+void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv);
+void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv);
+#else
+static inline void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv) {}
+static inline void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv) {}
+#endif /* CONFIG_DEBUG_FS */
+
+#endif /* DPSECI_DEBUGFS_H */