ARM: dts: imx6ull: Switch to SPDX identifier

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

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Fabio Estevam 2018-06-26 21:05:01 -03:00 • committed by Shawn Guo
commit 3428d14d8a