[llvm] [Exegesis][RISCV] Add RISCV support for llvm-exegesis (PR #89047)

[via llvm-commits]

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@@ -12,6 +12,9 @@ endif()
 if (LLVM_TARGETS_TO_BUILD MATCHES "Mips")
   list(APPEND LLVM_EXEGESIS_TARGETS "Mips")
 endif()
+if(LLVM_TARGETS_TO_BUILD MATCHES "RISCV" OR LLVM_EXPERIMENTAL_TARGETS_TO_BUILD MATCHES "RISCV")
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AnastasiyaChernikova wrote:

Addressed

https://github.com/llvm/llvm-project/pull/89047