Update CMakeLists.txt to be more flexible (#3354)
Update CMakeLists.txt to be more flexible (#3354)



dmlc/tvm,dmlc/tvm,dmlc/tvm,sxjscience/tvm,tqchen/tvm,tqchen/tvm,sxjscience/tvm,sxjscience/tvm,sxjscience/tvm,Huyuwei/tvm,Laurawly/tvm-1,tqchen/tvm,dmlc/tvm,Laurawly/tvm-1,Huyuwei/tvm,sxjscience/tvm,Huyuwei/tvm,dmlc/tvm,dmlc/tvm,sxjscience/tvm,sxjscience/tvm,Huyuwei/tvm,Laurawly/tvm-1,Huyuwei/tvm,tqchen/tvm,dmlc/tvm,Laurawly/tvm-1,tqchen/tvm,Huyuwei/tvm,tqchen/tvm,tqchen/tvm,Laurawly/tvm-1,Huyuwei/tvm,tqchen/tvm,dmlc/tvm,Laurawly/tvm-1,Laurawly/tvm-1,Laurawly/tvm-1,Huyuwei/tvm,sxjscience/tvm,Huyuwei/tvm,dmlc/tvm,Laurawly/tvm-1,tqchen/tvm,Laurawly/tvm-1,tqchen/tvm,sxjscience/tvm