For now, there wasn't any in-tree users of the dtsi files for the
Kontron SMARC-sAMX6i board. Let's add device trees, for this board on a
Kontron SMARC Eval 2.0 Carrier.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>