[media] staging: atomisp: Make ov2680 driver less chatty

There is no reason for all this printk spamming and certainly
not at an error log level.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>