## Description ## the cmake 3.12.2 add choose vs2017 version,add this to the docs.
## Checklist ## ### Essentials ### Please feel free to remove inapplicable items for your PR. - [x] The PR title starts with [MXNET-$JIRA_ID], where $JIRA_ID refers to the relevant [JIRA issue](https://issues.apache.org/jira/projects/MXNET/issues) created (except PRs with tiny changes) - [x] Changes are complete (i.e. I finished coding on this PR) [ Full content available at: https://github.com/apache/incubator-mxnet/pull/12573 ] This message was relayed via gitbox.apache.org for [email protected]
