linux-imx

staging: fsl-mc/dpio: change to use EXPORT_SYMBOL_GPL()

No need to use EXPORT_SYMBOL() so switch to the GPL variant.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>