cleaned up GPU cmake file for GPU unit, removed cutil dependency as it does not exist in newer versions of cuda
cleaned up GPU cmake file for GPU unit, removed cutil dependency as it does not exist in newer versions of cuda


andrewseidl/chrono,dariomangoni/chrono,Bryan-Peterson/chrono,hsu/chrono,armanpazouki/chrono,hsu/chrono,Bryan-Peterson/chrono,armanpazouki/chrono,tjolsen/chrono,tjolsen/chrono,Milad-Rakhsha/chrono,andrewseidl/chrono,dariomangoni/chrono,jcmadsen/chrono,PedroTrujilloV/chrono,Milad-Rakhsha/chrono,tjolsen/chrono,projectchrono/chrono,PedroTrujilloV/chrono,amelmquist/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,amelmquist/chrono,dariomangoni/chrono,Bryan-Peterson/chrono,jcmadsen/chrono,rserban/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,jcmadsen/chrono,amelmquist/chrono,armanpazouki/chrono,armanpazouki/chrono,rserban/chrono,PedroTrujilloV/chrono,dariomangoni/chrono,rserban/chrono,amelmquist/chrono,amelmquist/chrono,amelmquist/chrono,jcmadsen/chrono,andrewseidl/chrono,dariomangoni/chrono,tjolsen/chrono,hsu/chrono,jcmadsen/chrono,hsu/chrono,rserban/chrono,Milad-Rakhsha/chrono,rserban/chrono,jcmadsen/chrono,PedroTrujilloV/chrono,andrewseidl/chrono,Bryan-Peterson/chrono,andrewseidl/chrono,Bryan-Peterson/chrono,armanpazouki/chrono,jcmadsen/chrono,projectchrono/chrono,armanpazouki/chrono,dariomangoni/chrono,projectchrono/chrono,rserban/chrono,projectchrono/chrono,tjolsen/chrono,rserban/chrono,Milad-Rakhsha/chrono,hsu/chrono,PedroTrujilloV/chrono