drm/rockchip: rk3066_hdmi: switch to struct drm_edid

Prefer struct drm_edid based functions over struct edid.

Acked-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/56ee6b7c3c018df55f5fe48a3e6d705dbad5ef74.1713273659.git.jani.nikula@intel.com


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