platform/x86: touchscreen_dmi: Add info for the EZpad 6s Pro

The "EZpad 6s Pro" uses the same touchscreen as the "EZpad 6 Pro B",
unlike the "Ezpad 6 Pro" which has its own touchscreen.

Signed-off-by: hmtheboy154 <buingoc67@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240527091447.248849-3-hdegoede@redhat.com