dt-bindings: timer: allwinner,sun4i-a10-timer: Add D1 compatible

Allwinner D1 contains the usual sun4i MMIO timer device. It contains two
timers like other recent SoCs, so it is compatible with the A23 variant.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220725051715.56427-1-samuel@sholland.org


Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>