[lld] [llvm] [llvm-readobj][ELF] Print ELF e_entry in lowercase mode (PR #156683)

[James Henderson via llvm-commits]

https://github.com/jh7370 commented:

Please update the PR title and description given the format change.

It may be worth updating the release notes to mention this, due to the potential for it to break people's automated scripts.

https://github.com/llvm/llvm-project/pull/156683