linux-imx

serial: fsl_lpuart: Use dev_info() instead of printk()

dev_info() is more appropriate for printing messages inside drivers, so
switch to dev_info().

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>