Mark as unsupported test that is flaky when split

Author: ayylol

sycl/test-e2e/syclcompat/kernel/kernel_win.cpp

@@ -1,5 +1,8 @@
 // REQUIRES: windows
 
+// UNSUPPORTED: gpu-intel-gen12 && run-mode && !build-mode
+// UNSUPPORTED-TRACKER: https://github.com/intel/llvm/issues/17561
+
 // DEFINE: %{sharedflag} = %if cl_options %{/clang:-shared%} %else %{-shared%}
 
 // RUN: %clangxx %{sharedflag} -fsycl %{sycl_target_opts} %S\Inputs\kernel_module.cpp -o %t.dll