rwlock on route lookup is not needed for the best performance results when using MTRIE
rwlock on route lookup is not needed for the best performance results when using MTRIE

Signed-off-by: Sorin Vultureanu <8013ba55f8675034bc2ab0d6c3a1c9650437ca36@enea.com>
Reviewed-by: Bogdan Pricope <385103c4eae27e55111df6ab7856eefb0647e14e@enea.com>

OpenFastPath/ofp,TolikH/ofp,OpenFastPath/ofp,TolikH/ofp,OpenFastPath/ofp,OpenFastPath/ofp,TolikH/ofp