UBUNTU: SAUCE: HID: multitouch: Add pointstick support for ALPS Touchpad

UBUNTU: SAUCE: HID: multitouch: Add pointstick support for ALPS Touchpad

BugLink: https://bugs.launchpad.net/bugs/1833387
Patchwork: https://patchwork.kernel.org/patch/10994741/

There's a new ALPS touchpad/pointstick combo device that requires
MT_CLS_WIN_8_DUAL to make its pointsitck work as a mouse.

The device can be found on HP ZBook 17 G5.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: AceLan Kao <acelan.kao@canonical.com>
Acked-by: Timo Aaltonen <tjaalton@ubuntu.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>