Staging: tidspbridge: Prefer dev_info() then printk() in dmm.c

This patch fixes the following checkpatch.pl warning in pmgr/dmm.c-
WARNING: Prefer netdev_info(netdev, ... then dev_info(dev, ... then pr_info(...  to printk(KERN_INFO ...

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>