ARM: dts: sun8i: a83t: Add CCI-400 node

Add CCI-400 node and control-port on CPUs needed by SMP bringup.

Signed-off-by: Mylène Josserand <mylene.josserand@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>