platform/x86: touchscreen_dmi: Add Chuwi Vi8 (CWI501) DMI match

Add a DMI match for the CWI501 version of the Chuwi Vi8 tablet,
pointing to the same chuwi_vi8_data as the existing CWI506 version
DMI match.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230202103413.331459-1-hdegoede@redhat.com