serial: imx: Use pr_info instead of printk

Silences checkpatch warnings.

Cc: Shawn Guo <shawn.guo@linaro.org>
Acked-by: NSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/imx.c

@@ -1301,7 +1301,7 @@ imx_console_get_options(struct imx_port *sport, int *baud,
 		}
 
 		if (*baud != baud_raw)
-			printk(KERN_INFO "Serial: Console IMX rounded baud rate from %d to %d\n",
+			pr_info("Console IMX rounded baud rate from %d to %d\n",
 				baud_raw, *baud);
 	}
 }
@@ -1595,7 +1595,7 @@ static int __init imx_serial_init(void)
 {
 	int ret;
 
-	printk(KERN_INFO "Serial: IMX driver\n");
+	pr_info("Serial: IMX driver\n");
 
 	ret = uart_register_driver(&imx_reg);
 	if (ret)