Auto merge of #137541 - onur-ozkan:fix-cargo-clippy-bin, r=jieyouxu

add `tool::CargoClippy` and `tool::Cargofmt` binary to target sysroot

When running `x build clippy`, we expect `stage1-tool-bin/cargo-clippy` and `stage2/bin/cargo-clippy` to be the same, but they aren't. This happens because `tool::CargoClippy` doesn't place its binary in the `stage2` directory. As a result, `stage1-tool-bin/cargo-clippy` comes from `tool::CargoClippy`, while `stage2/bin/cargo-clippy` comes from `tool::Cargo`. Same applies for `tool::Cargofmt`.

This PR fixes the issue by adding `tool::CargoClippy` and ``tool::Cargofmt`` binaries to the expected sysroot and makes sure both directories share the same binary.

To test this, run `x build --stage 2 compiler clippy rustfmt`, link the stage2 sysroot with rustup, and then call `cargo +stage2 fmt` and `cargo +stage2 clippy` on any rust project (it wouldn't work without this PR).

Author: bors