drm/edid: convert drm_edid_connector_update() to drm_edid fully

We'll need to propagate drm_edid everywhere.

v3: s/edid/drm_edid/ in comment too (Ankit)

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220511092650.4193330-1-jani.nikula@intel.com