[lldb] [llvm] [lldb][Process/FreeBSDKernel] Add ppc and ppc64le support (PR #180669)

[Minsoo Choo via llvm-commits]

mchoo7 wrote:

Since logic and register data for ppc and ppc64 are pretty similar, I'm merging these two in one PR.

https://github.com/llvm/llvm-project/pull/180669