'llvm-tools-preview' component is now named 'llvm-tools'

rust-lang/rustup#3578

Author: gdamjan

src/intro/install.md

@@ -60,7 +60,7 @@ rustup target add thumbv8m.main-none-eabihf
 ``` text
 cargo install cargo-binutils
 
-rustup component add llvm-tools-preview
+rustup component add llvm-tools
 ```
 WINDOWS: prerequisite C++ Build Tools for Visual Studio 2019 is installed. https://visualstudio.microsoft.com/thank-you-downloading-visual-studio/?sku=BuildTools&rel=16 
 ### `cargo-generate`

src/intro/tooling.md

@@ -43,7 +43,7 @@ binaries.
 
 The advantage of using these tools over GNU binutils is that (a) installing the
 LLVM tools is the same one-command installation (`rustup component add
-llvm-tools-preview`) regardless of your OS and (b) tools like `objdump` support
+llvm-tools`) regardless of your OS and (b) tools like `objdump` support
 all the architectures that `rustc` supports -- from ARM to x86_64 -- because
 they both share the same LLVM backend.