[llvm] [SYCL] Add platform enumeration and info query using liboffload (PR #166927)

[Kseniya Tikhomirova via llvm-commits]

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@@ -49,7 +47,7 @@ function(add_sycl_rt_library LIB_TARGET_NAME LIB_OBJ_NAME LIB_OUTPUT_NAME)
     target_compile_options(${LIB_OBJ_NAME} PUBLIC /EHsc)
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KseniyaTikhomirova wrote:

not sure it has good support in our usage https://github.com/llvm/llvm-project/issues/88649

https://github.com/llvm/llvm-project/pull/166927