[www-scripts] Clang Attribute Doc Update: ERROR

[root via www-scripts]

UPDATING LLVM SOURCES
HEAD is now at ac7419b [Hexagon][NewPM] Port -hexagon-loop-idiom and add to pipeline
>From https://github.com/llvm/llvm-project
 * branch            master     -> FETCH_HEAD
   ac7419b..6a1d8b9  master     -> origin/master
First, rewinding head to replay your work on top of it...
Fast-forwarded master to 6a1d8b91ed730e01f471efa5f98838615346cd8b.
/opt/tools/clangCLdoc_update.sh: line 44: cmake: command not found