[CodeGen][OpenCL] Limit OpenCL built-in vector lanes to 2, 3, 4, 8, 16. (#7777)
[CodeGen][OpenCL] Limit OpenCL built-in vector lanes to 2, 3, 4, 8, 16. (#7777)


Laurawly/tvm-1,Laurawly/tvm-1,dmlc/tvm,dmlc/tvm,Laurawly/tvm-1,Laurawly/tvm-1,dmlc/tvm,dmlc/tvm,dmlc/tvm,Laurawly/tvm-1,Laurawly/tvm-1,Laurawly/tvm-1,dmlc/tvm,Laurawly/tvm-1,dmlc/tvm,Laurawly/tvm-1,dmlc/tvm,dmlc/tvm,Laurawly/tvm-1