[clang] [clang][RISCV] Introduce command line options for RISC-V Zicfilp CFI (PR #109784)

[Ming-Yi Lai via cfe-commits]

mylai-mtk wrote:

> Could you update this PR? https://github.com/llvm/llvm-project/commit/4579272e057e6ec77a2a660384080e1f57a17cf0 is generally LGTM, but I assume this should process within this PR :)

Sure, I'm just a few minutes behind you XD

https://github.com/llvm/llvm-project/pull/109784