drm/intel: fix @dpt kernel-doc for parent interface
Fix the copy-paste fail.
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patch.msgid.link/0209e128312520ca1c6a0c39f9dfb0184125322a.1772475391.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>