drm/connector: update edid_blob_ptr documentation
Accessing the EDID via edid_blob_ptr causes chicken-and-egg
problems. Keep edid_blob_ptr as the userspace interface that should be
accessed via dedicated functions.
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b6aa1ea30ae85ef9e9814315d3437e82f0ba6754.1715353572.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>