Input: ALPS - refactor alps_set_abs_params_mt()

In preparation for adding support for SS4 touchpads, let's split
alps_set_abs_params_mt into common, v7-specific, and other protocols
portions.

Signed-off-by: Masaki Ota <masaki.ota@jp.alps.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>