[llvm] [offload] fix invalid symbol handling in l0 plugin (PR #189442)

[Łukasz Plewa via llvm-commits]

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@@ -556,8 +556,8 @@ Expected<void *> L0ProgramTy::getSymbolDeviceAddr(const char *CName) const {
     if (RC == ZE_RESULT_SUCCESS && DevicePtr)
       return DevicePtr;
   }
-  return Plugin::error(ErrorCode::INVALID_ARGUMENT,
-                       "Symbol '%s' not found on device", CName);
+  return Plugin::error(ErrorCode::NOT_FOUND, "Symbol '%s' not found on device",
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lplewa wrote:

Tests are checking this error, and this is consistency issue between plugins. 

https://github.com/llvm/llvm-project/pull/189442