[llvm] [llvm-readobj][NFC] Format ElfMachineType array definition (PR #159793)

[Nick Sarnie via llvm-commits]

sarnex wrote:

Sorry about that, I'm happy to revert and disable clang-format if you prefer. I was told by clang maintainers I could merge these PRs without review, but it's probably better I wait in the future. 

Let me know what you want me to do.

https://github.com/llvm/llvm-project/pull/159793