staging: irda: au1k_ir.c fix warning: Prefer [subsystem eg: netdev]_info([subsystem]dev, ...

This patch fixes the following checkpatch.pl warning: fix
Prefer [subsystem eg: netdev]_info([subsystem]dev, ... then dev_info(dev, ...
then pr_info(...  to printk(KERN_INFO ...

Signed-off-by: Yurii Pavlenko <pyldev@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>