HID: convert to dev_* prints

Since we have a real device bound to a driver, we may use struct
device for printing. Use dev_* functions instead of printks in
4 drivers.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --cc drivers/hid/hid-lg2ff.c
Simple merge

diff --cc drivers/hid/hid-pl.c
Simple merge

diff --cc drivers/hid/hid-tmff.c
Simple merge

diff --cc drivers/hid/hid-zpff.c
Simple merge