i2c: mxs: 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: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Fabio Estevam 2018-05-30 16:35:54 -03:00 • committed by Wolfram Sang
commit ed49aaeefd