data: add ELAN 9008 and 9009 (zenbook duo UX8406MA)

[alesya-h]

Adding both touch panels for the new dualscreen Asus Zenbook Duo

[github-actions]

Hi, there. I'm a bot and have been asked to have a look at this.

Please run the sysinfo script from https://github.com/linuxwacom/wacom-hid-descriptors and
file a new issue in that repo with the resulting sysinfo tarball. The README in that repo
has more information and instructions.

The .tablet files in this PR should then link to the sysinfo in this form:

# sysinfo.abCdE1234.tar.gz
# https://github.com/linuxwacom/wacom-hid-descriptors/issues/1234

A git grep sysinfo will show how this is currently used in existing data files.

See also https://github.com/linuxwacom/libwacom/wiki/Adding-a-new-device

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[whot]

merged, thanks