Temporary workaround untilthe fix is propagated to vc-intrinsic

Author: fineg74

llvm/lib/SYCLLowerIR/CMakeLists.txt

@@ -17,7 +17,7 @@ if (NOT TARGET LLVMGenXIntrinsics)
     # Date:   Thu Nov 9 00:37:24 2023 +0000
 
     # Replace old kernel with rewritten kernel in metadata only since LLVM 17
-    set(LLVMGenXIntrinsics_GIT_TAG a8403355ada112b72d1fc7db29fd04325eecee60)
+    set(LLVMGenXIntrinsics_GIT_TAG dpcpp_staging)
 
     message(STATUS "vc-intrinsics repo is missing. Will try to download it from ${LLVMGenXIntrinsics_GIT_REPO}")
     include(FetchContent)