esp32: Fix esp_wifi_stop never returns issue

esp_wifi_stop may never return when run esp_wifi_start/stop repeatly.

diff --git a/components/esp32/lib b/components/esp32/lib
index b6f1255f23e41b8fae5cfc4a2a01f258a85bd593..09819d4eb7ca86f9e75fc0f7cc8ed607b6a87a17 160000 (submodule)
--- a/components/esp32/lib
+++ b/components/esp32/lib
@@ -1 +1 @@
-Subproject commit b6f1255f23e41b8fae5cfc4a2a01f258a85bd593
+Subproject commit 09819d4eb7ca86f9e75fc0f7cc8ed607b6a87a17