w1: ds2405: use module_w1_family to simplify the code

module_w1_family() makes the code simpler by eliminating
boilerplate code.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>