Change SYCL targets to 4-component triple

### Is your feature request related to a problem? Please describe

Fixes TODO in https://github.com/intel/llvm/blob/5bec703f62daa89b2d50fddaf7021ce6cc742eb0/clang/lib/Driver/ToolChains/Clang.cpp#L10367-L10370

clang/lib/Driver/ToolChains/Clang.cpp change in https://github.com/intel/llvm/pull/22429 should be reverted as well.

### Describe the solution you would like

_No response_

### Describe alternatives you have considered

_No response_

### Additional context

_No response_

Read clang/lib/Driver/ToolChains/Clang.cpp at lines 10367–10370 and inspect the change referenced in intel/llvm#22429. Confirm the intended four-component SYCL target triple, revert that change as requested, and verify the affected Clang behavior with the relevant tests found nearby.

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