Silence clippy (#2332)

esp-wifi/src/lib.rs

@@ -175,6 +175,7 @@ fn timestamp() -> smoltcp::time::Instant {
 }
 
 // this is just to verify that we use the correct defaults in `build.rs`
+#[allow(clippy::assertions_on_constants)] // TODO: try assert_eq once it's usable in const context
 const _: () = {
     cfg_if::cfg_if! {
         if #[cfg(not(esp32h2))] {