[www-scripts] Clang Attribute Doc Update: ERROR

[root via www-scripts]

UPDATING LLVM SOURCES
HEAD is now at 84b82227 [RISCV] Use separate Lo and Hi MemOperands when expanding BuildPairF64Pseudo and SplitF64Pseudo.
>From https://github.com/llvm/llvm-project
 * branch            master     -> FETCH_HEAD
   84b82227..24d6e60 master     -> origin/master
First, rewinding head to replay your work on top of it...
Fast-forwarded master to 24d6e60488a2f447df27a4f67a960925deceeb6b.
/opt/tools/clangCLdoc_update.sh: line 44: cmake: command not found