ARM: dts: sun8i: Use the common file in NanoPi NEO SBC

NanoPi common dtsi supports all components of NEO SBC, so just include it.

Cc: James Pettigrew <james@innovum.com.au>
Signed-off-by: Milo Kim <woogyom.kim@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>