[clang] [HLSL] Include SPIRV in LLVM_TARGETS_TO_BUILD in the HLSL cmake cache (PR #133287)

[via cfe-commits]

================
@@ -1,13 +1,10 @@
 # Including the native target is important because some of LLVM's tests fail if
 # you don't.
-set(LLVM_TARGETS_TO_BUILD Native CACHE STRING "")
+set(LLVM_TARGETS_TO_BUILD "Native;SPIRV" CACHE STRING "")
 
-# Include the DirectX target for DXIL code generation, eventually we'll include
-# SPIR-V here too.
-set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD "DirectX;SPIRV" CACHE STRING "")
+# Include the DirectX target for DXIL code generation.
+set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD "DirectX" CACHE STRING "")
 
-# HLSL support is currently limted to clang, eventually it will expand to
----------------
joaosaffran wrote:

nit: Did we contribute to `clang-tools-extra` already? :)

https://github.com/llvm/llvm-project/pull/133287