linux-phytec-ti

ASoC: uniphier: evea: fix lisence comment style

This patch changes lisence comment style from C to C++.
And use SPDX instead of boiler plate of GPLv2, as same as
other audio codec drivers.

Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
Signed-off-by: Mark Brown <broonie@kernel.org>