[clang] [lld] [llvm] [RISCV] Split code that tablegen needs out of RISCVISAInfo. (PR #89684)

[Pengcheng Wang via cfe-commits]

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@@ -1,12 +1,12 @@
-//===-- RISCVISAInfo.cpp - RISC-V Arch String Parser ------------*- C++ -*-===//
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wangpc-pp wrote:

We shouldn't remove `*- C++ -*` here I think, it's for editors like Emacs.

https://github.com/llvm/llvm-project/pull/89684