arm: dts: Add Chameleonv3 handoff headers

Add handoff headers for the Google Chameleonv3 variants: 480-2 and
270-3. Both files were generated using qts-filter-a10.sh.

Signed-off-by: Paweł Anikiel <pan@semihalf.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2 files changed