[clang] [llvm] [RISCV] Add processor definition and scheduling model for XiangShan-KunMingHu (PR #90392)

[Camel Coder via cfe-commits]

=?utf-8?b?6YOd5bq36L6+?= <hebo at bosc.ac.cn>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/90392 at github.com>


https://github.com/camel-cdr edited https://github.com/llvm/llvm-project/pull/90392