add and apply unused_io_amount clippy lint

drivers/executor/src/lib.rs

@@ -187,7 +187,7 @@ impl<Hw: Hardware> LocalExecutor<Hw> {
         if self.intx {
             let mut buf = [0_u8; core::mem::size_of::<usize>()];
             if (&self.irq_handle).read(&mut buf).unwrap() != 0 {
-                (&self.irq_handle).write(&buf).unwrap();
+                (&self.irq_handle).write_all(&buf).unwrap();
             }
         }