wifi: fix issue in setting channel before sniffer is enabled

components/esp32/include/esp_wifi.h

@@ -422,6 +422,7 @@ esp_err_t esp_wifi_get_bandwidth(wifi_interface_t ifx, wifi_bandwidth_t *bw);
   * @brief     Set primary/secondary channel of ESP32
   *
   * @attention 1. This is a special API for sniffer
+  * @attention 2. This API should be called after esp_wifi_start() or esp_wifi_set_promiscuous()
   *
   * @param     primary  for HT20, primary is the channel number, for HT40, primary is the primary channel
   * @param     second   for HT20, second is ignored, for HT40, second is the second channel

components/esp32/lib

@@ -1 +1 @@
-Subproject commit ed85cf9156f2ef358c29d07fb849a73c5758eecb
+Subproject commit 0be74cb72fba4502a685c9f0df26689592018f78