[llvm] [ObjCopy] Respect requirements of LC_ENCRYPTION_INFO commands (PR #120995)

[Daniel Rodríguez Troitiño via llvm-commits]

drodriguez wrote:

Builder seems to be working after a couple of failed builds (https://lab.llvm.org/buildbot/#/builders/59/builds/10754).

https://github.com/llvm/llvm-project/pull/120995