Fixing directive position

src/main.rs

@@ -1,5 +1,9 @@
 #![deny(warnings)]
 #![allow(clippy::missing_safety_doc)]
+
+// Deprecation warnings are temporarily allowed as the HAL DMA goes through updates.
+#![allow(deprecated)]
+
 #![no_std]
 #![no_main]
 #![cfg_attr(feature = "nightly", feature(asm))]
@@ -18,9 +22,6 @@ fn panic(_info: &core::panic::PanicInfo) -> ! {
     }
 }
 
-// Deprecation warnings are temporarily allowed as the HAL DMA goes through updates.
-#![allow(deprecated)]
-
 #[cfg(feature = "semihosting")]
 extern crate panic_semihosting;