ARM: dts: uniphier: sync DT with Linux next-20170622

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/dts/uniphier-pro4-ref.dts b/arch/arm/dts/uniphier-pro4-ref.dts
index a1fbbdc..13e1b3e 100644
--- a/arch/arm/dts/uniphier-pro4-ref.dts
+++ b/arch/arm/dts/uniphier-pro4-ref.dts
@@ -4,7 +4,7 @@
  * Copyright (C) 2015-2016 Socionext Inc.
  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  *
- * SPDX-License-Identifier:	GPL-2.0+	X11
+ * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  */
 
 /dts-v1/;