plat: nvidia: remove spurious UTF-8 characters at top of platform files

Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Change-Id: Iee7fb43990047b27972e99572ec4b3dc4e5c0423
diff --git a/plat/nvidia/tegra/include/drivers/security_engine.h b/plat/nvidia/tegra/include/drivers/security_engine.h
index 4ab2f9a..8a24924 100644
--- a/plat/nvidia/tegra/include/drivers/security_engine.h
+++ b/plat/nvidia/tegra/include/drivers/security_engine.h
@@ -1,5 +1,5 @@
-/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+/*
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
  * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause