ARM: dts: sun8i: a83t: Add the cir pin for the A83T

The CIR Pin of the A83T is located at PL12.

Signed-off-by: Philipp Rossak <embed3d@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>