intel: n5x: ddr: update license

All the source code of sdram_n5x.c are from Intel, update the license to
use both GPL2.0 and BSD-3 Clause because this copy of code may used for
open source and internal project.

Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>

diff --git a/drivers/ddr/altera/sdram_n5x.c b/drivers/ddr/altera/sdram_n5x.c
index ac13ac4..737a4e2 100644 (file)
--- a/drivers/ddr/altera/sdram_n5x.c
+++ b/drivers/ddr/altera/sdram_n5x.c
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
- * Copyright (C) 2020-2021 Intel Corporation <www.intel.com>
+ * Copyright (C) 2020-2022 Intel Corporation <www.intel.com>
  *
  */