Merge pull request #4170 from yutannihilation/chore/fix-unsafe-attribute-rust2024

chore: Wrap `link_section` attribute in example code with `unsafe()` for compatibility with Rust 2024 edition

examples/mimxrt6/build.rs

@@ -25,7 +25,7 @@ fn main() {
         .write_all(
             format!(
                 r##"
-#[link_section = ".biv"]
+#[unsafe(link_section = ".biv")]
 #[used]
 static BOOT_IMAGE_VERSION: u32 = 0x{:02x}{:02x}{:02x}00;
 "##,

examples/mimxrt6/src/lib.rs

@@ -6,15 +6,15 @@ use {defmt_rtt as _, panic_probe as _};
 // auto-generated version information from Cargo.toml
 include!(concat!(env!("OUT_DIR"), "/biv.rs"));
 
-#[link_section = ".otfad"]
+#[unsafe(link_section = ".otfad")]
 #[used]
 static OTFAD: [u8; 256] = [0; 256];
 
 #[rustfmt::skip]
-#[link_section = ".fcb"]
+#[unsafe(link_section = ".fcb")]
 #[used]
 static FCB: FlexSPIFlashConfigurationBlock = FlexSPIFlashConfigurationBlock::build();
 
-#[link_section = ".keystore"]
+#[unsafe(link_section = ".keystore")]
 #[used]
 static KEYSTORE: [u8; 2048] = [0; 2048];