[Bugfix] Fix target host for vm compiler (#4057)
[Bugfix] Fix target host for vm compiler (#4057)

* fix

* tweak

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