I've added some CM specific data in another PR, but the pages could really do with a reshuffle to make them a bit saner. There is duplicate data and its clear the TD2 stuff was added later when it came out.

documentation/asciidoc/accessories/touch-display-2/about.adoc
documentation/asciidoc/accessories/display/display_intro.adoc
documentation/asciidoc/computers/compute-module/cmio-display.adoc