[clang] [llvm] [RISCV] Mark Xqccmp as not experimental (PR #175066)

[Sam Elliott via cfe-commits]

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@@ -1488,9 +1488,8 @@ def HasVendorXwchc
 // Qualcomm Extensions
 
 def FeatureVendorXqccmp
-    : RISCVExperimentalExtension<0, 3,
-                                 "Qualcomm 16-bit Push/Pop and Double Moves",
-                                 [FeatureStdExtZca]>;
+    : RISCVExtension<0, 3, "Qualcomm 16-bit Push/Pop and Double Moves",
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lenary wrote:

The spec has not been released as 1.0 yet, but the v0.3 document is marked as Frozen. 

I can discuss internally if they want to mark this as 1.0, but I don't think it should block this PR.

https://github.com/llvm/llvm-project/pull/175066