[Bench] Add KernelSubmitGraphVllmMock benchmarks (#21412)
and re-enable SYCL graph benchmark on PVC, as the issue is gone now.
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Signed-off-by: luszczewskakasia1 <katarzyna.luszczewska@intel.com>
Co-authored-by: Łukasz Stolarczuk <lukasz.stolarczuk@intel.com>
