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

[Nathan Gauër via llvm-commits]

================
@@ -1342,7 +1342,7 @@ void addInstrRequirements(const MachineInstr &MI,
     addOpTypeImageReqs(MI, Reqs, ST);
     break;
   case SPIRV::OpTypeSampler:
-    if (!ST.isVulkanEnv()) {
+    if (!ST.isShaderEnv()) {
----------------
Keenuts wrote:

```suggestion
    if (ST.isKernelEnv()) {
```

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