[clang-tools-extra] [clang-tidy][NFC] reorder cmake source file (PR #119374)

[Congcong Cai via cfe-commits]

HerrCai0907 wrote:

> Did you look on `CMakeLists.txt` files in other directories? Just in case :-)

i don't check them one by one detailly since there are no automatical check.

https://github.com/llvm/llvm-project/pull/119374