[clang] [MLIR] Add SyclRuntimeWrapper (PR #69648)

[Guray Ozen via cfe-commits]

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@@ -0,0 +1,222 @@
+//===- SyclRuntimeWrappers.cpp - MLIR SYCL wrapper library ------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Implements C wrappers around the sycl runtime library.
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grypp wrote:

Wrappers are in C++ but their linkage is C. Can we say something like below:
`Implements wrappers around the sycl runtime library with C linkage`

(I see the same wording in other runtimes too)

https://github.com/llvm/llvm-project/pull/69648