ARM: dts: uniphier: use SPDX-License-Identifier (2nd)

Commit fa53757bca33 ("ARM: dts: uniphier: use SPDX-License-Identifier")
missed to touch these two.  Now updating.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2 files changed