Add a bit more debug logging for errors

Author: peterharperuk

src/cyw43_ctrl.c

@@ -378,6 +378,7 @@ void cyw43_cb_process_async_event(void *cb_data, const cyw43_async_event_t *ev)
             // No matching SSID found (could be out of range, or down)
         } else {
             // Other failure setting SSID
+            CYW43_DEBUG("link error status %d\n", ev->status);
             self->wifi_join_state = WIFI_JOIN_STATE_FAIL;
         }
     } else if (ev->event_type == CYW43_EV_AUTH) {
@@ -427,6 +428,7 @@ void cyw43_cb_process_async_event(void *cb_data, const cyw43_async_event_t *ev)
             cyw43_schedule_internal_poll_dispatch(cyw43_poll_func);
         } else {
             // PSK_SUP failure
+            CYW43_DEBUG("auth psk status %d\n", ev->status);
             self->wifi_join_state = WIFI_JOIN_STATE_BADAUTH;
         }
     } else if (ev->event_type == CYW43_EV_ICV_ERROR) {