[clang] [clang-repl] Add call to 'InitializeAllAsmParsers' (PR #86727)

[Andrew V. Teylu via cfe-commits]

aytey wrote:

@weliveindetail @vgvassilev @junaire: sorry for pinging you directly, but could you take a look at this PR? I see you're all active on other `clang-repl` PRs, so thought you might be the best place to start to take a look at this one 🤞 

https://github.com/llvm/llvm-project/pull/86727