drm/vc4: hdmi: Rely on interrupts to handle hotplug
DRM currently polls for the HDMI connector status every 10s, which can
be an issue when we connect/disconnect a display quickly or the device
on the other end only issues a hotplug pulse (for example on EDID
change).
Switch the driver to rely on the internal controller logic for the
BCM2711/RPi4.
Signed-off-by:
Maxime Ripard <maxime@cerno.tech>
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