some more tweaks

.github/workflows/ci.yml

@@ -8,6 +8,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@nightly
+        with:
+          components: rust-src
       - run: cp .cargo/def-config.toml .cargo/config.toml
       - run: cargo check --target armv7a-none-eabihf -p zynq7000
       - run: cargo check --target armv7a-none-eabihf -p zynq7000-rt
@@ -39,4 +41,4 @@ jobs:
       - uses: dtolnay/rust-toolchain@nightly
         with:
           components: clippy
-      - run: cargo clippy --target armv7a-none-eabihf -- -D warnings
+      - run: cargo clippy -- -D warnings