drm/vc4: hdmi: Use a device-managed action for DDC

The reference to the DDC controller device needs to be put back when we're
done with it. Let's use a device-managed action to simplify the driver.

Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220711173939.1132294-44-maxime@cerno.tech
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Maxime Ripard 2022-07-11 19:39:13 +02:00
commit d3a84242f8
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