fixed below checkpatch.pl warning:

WARNING: Prefer [subsystem eg: netdev]_err([subsystem]dev, ... then dev_err(dev, ... then pr_err(...  to printk(KERN_ERR ...

WARNING: Prefer [subsystem eg: netdev]_info([subsystem]dev, ... then dev_info(dev, ... then pr_info(...  to printk(KERN_INFO ...
Signed-off-by: NKiran Padwal <kiran.padwal@smartplayin.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>