[clang] [llvm] [RISCV] Support `svukte` extension (PR #115657)

[Craig Topper via cfe-commits]

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@@ -330,6 +329,9 @@ The primary goal of experimental support is to assist in the process of ratifica
 ``experimental-smctr``, ``experimental-ssctr``
   LLVM implements the `1.0-rc3 specification <https://github.com/riscv/riscv-control-transfer-records/releases/tag/v1.0_rc3>`__.
 
+``experimental-svukte``, ``experimental-svukte``
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topperc wrote:

smctr and ssctr are each mentioned 1 time.

https://github.com/llvm/llvm-project/pull/115657