rtio_mgt: fix typo

src/runtime/src/rtio_mgt.rs

@@ -472,7 +472,7 @@ pub mod drtio {
         match reply {
             Ok(Packet::DmaPlaybackReply { succeeded: true }) => Ok(()),
             Ok(Packet::DmaPlaybackReply { succeeded: false }) => Err("error on DMA playback request"),
-            Ok(_) => Err("received unexpected aux packet while DMA playback"),
+            Ok(_) => Err("received unexpected aux packet during DMA playback"),
             Err(_) => Err("aux error on DMA playback")
         }
     }