linux-imx

staging: fsl-mc/dpio: drop EXPORT_SYMBOL() for a few functions

These functions are only used within this driver so no need for
EXPORT_SYMBOL().

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