[clang] [llvm] [RISCV][llvm] Support Smpmpmt version 0.6 (PR #166322)

[Craig Topper via llvm-commits]

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@@ -352,6 +351,9 @@ The primary goal of experimental support is to assist in the process of ratifica
 ``experimental-zvqdotq``
   LLVM implements the `0.0.1 draft specification <https://github.com/riscv/riscv-dot-product/releases/tag/v0.0.1>`__.
 
+``experimental-smpmpmt``
+  LLVM implements the `0.6 frozen specification <https://github.com/riscv/riscv-isa-manual/blob/smpmpmt/src/smpmpmt.adoc>`__.
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topperc wrote:

It's not frozen yet. It was only approved to freeze.

https://github.com/llvm/llvm-project/pull/166322