dt-bindings: clock: Add D1 CAN bus gates and resets

The D1 CCU contains gates and resets for two CAN buses. While the CAN
bus controllers are only documented for the T113 SoC, the CCU is the
same across all SoC variants.

Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221231231429.18357-6-samuel@sholland.org


Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>