Fix settings of NVCC flags in Chrono::Gpu CMakeLists
Fix settings of NVCC flags in Chrono::Gpu CMakeLists

dariomangoni/chrono,Milad-Rakhsha/chrono,rserban/chrono,projectchrono/chrono,Milad-Rakhsha/chrono,rserban/chrono,projectchrono/chrono,Milad-Rakhsha/chrono,rserban/chrono,rserban/chrono,projectchrono/chrono,projectchrono/chrono,Milad-Rakhsha/chrono,dariomangoni/chrono,rserban/chrono,rserban/chrono,Milad-Rakhsha/chrono,rserban/chrono,dariomangoni/chrono,dariomangoni/chrono,projectchrono/chrono,projectchrono/chrono,Milad-Rakhsha/chrono,dariomangoni/chrono,dariomangoni/chrono