arm64: dts: meson: convert ODROID-N2 to dtsi

Convert the current ODROID-N2 dts into a common dtsi in preparation
for adding ODROID-N2+ support.

Signed-off-by: Christian Hewitt <[email protected]>
Signed-off-by: Neil Armstrong <[email protected]>
Signed-off-by: Kevin Hilman <[email protected]>
Acked-by: Neil Armstrong <[email protected]>
Acked-by: Martin Blumenstingl <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: chewitt