drm/vc4: hdmi: switch to struct drm_edid

Prefer struct drm_edid based functions over struct edid.

Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/eabece3ca7fae28395dcad0d2c221113cd924180.1713273659.git.jani.nikula@intel.com


Signed-off-by: Jani Nikula <jani.nikula@intel.com>