[clang] [RISCV] Update Zicntr and Zihpm to version 2p0 (PR #66323)

[Yueh-Ting Chen via cfe-commits]

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@@ -629,7 +629,7 @@ TEST(getTargetFeatureForExtension, RetrieveTargetFeatureFromOneExt) {
 
 TEST(RiscvExtensionsHelp, CheckExtensions) {
   std::string ExpectedOutput =
-R"(All available -march extensions for RISC-V
+      R"(All available -march extensions for RISC-V
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eopXD wrote:

This change doesn't seem necessary

https://github.com/llvm/llvm-project/pull/66323