[DOCS] fix link (#2157)

* fix fname in comment

* fix

apps/howto_deploy/cpp_deploy.cc

 /*!
  *  Copyright (c) 2017 by Contributors
  * \brief Example code on load and run TVM module.s
- * \file cpp_deploy_example.cc
+ * \file cpp_deploy.cc
  */
 #include <cstdio>
 #include <dlpack/dlpack.h>

docs/faq.md

@@ -4,7 +4,7 @@ This document contains frequently asked questions.
 
 How to Install
 --------------
-See [Installation](http://tvm.ai/install/)
+See [Installation](http://docs.tvm.ai/install/)
 
 TVM's relation to Other IR/DSL Projects
 ---------------------------------------