serial: imx: Use pr_info instead of printk

Silences checkpatch warnings.

Cc: Shawn Guo <[e-mail]>
Acked-by: Sascha Hauer <[e-mail]>
Signed-off-by: Sachin Kamat <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/tty/serial/imx.c

···
 		}
 
 		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);
 	}
 }
···
 {
 	int ret;
 
-	printk(KERN_INFO "Serial: IMX driver\n");
+	pr_info("Serial: IMX driver\n");
 
 	ret = uart_register_driver(&imx_reg);
 	if (ret)