[llvm] [SPIRV] Change how to detect OpenCL/Vulkan Env and update tests accordingly. (PR #129689)

[Alexey Bader via llvm-commits]

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@@ -36,6 +36,10 @@ class StringRef;
 class SPIRVTargetMachine;
 
 class SPIRVSubtarget : public SPIRVGenSubtargetInfo {
+public:
+  // Enum for the SPIR-V environment: OpenCL, Vulkan or Unkwnown.
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bader wrote:

Please, fix the typo in the code comment. You can just apply my suggestion.

https://github.com/llvm/llvm-project/pull/129689