fix: stabilize linux-kpi mac80211 tx stats layout

local/recipes/drivers/linux-kpi/source/src/rust_impl/mac80211.rs

@@ -30,6 +30,7 @@ struct StaRegistryEntry {
     state: u32,
 }
 
+#[repr(C)]
 #[derive(Clone, Copy, Default)]
 pub struct TxStats {
     pub total: u64,