ASoC: imx-es8328: Switch to SPDX identifier

Adopt the SPDX license identifier headers to ease license compliance
management.

Signed-off-by: Andra Danciu <andradanciu1997@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andra Danciu 2019-04-05 14:49:56 +03:00 • committed by Mark Brown
commit 0fe61fc0c2
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