Merge branch 'bugfix/espnow_config_channel' into 'master'

esp_wifi: fix espnow example add peer fail when config channel

Closes IDFGH-8090

See merge request espressif/esp-idf!19770

examples/wifi/espnow/main/espnow_example_main.c

@@ -51,6 +51,7 @@ static void example_wifi_init(void)
     ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
     ESP_ERROR_CHECK( esp_wifi_set_mode(ESPNOW_WIFI_MODE) );
     ESP_ERROR_CHECK( esp_wifi_start());
+    ESP_ERROR_CHECK( esp_wifi_set_channel(CONFIG_ESPNOW_CHANNEL, WIFI_SECOND_CHAN_NONE));
 
 #if CONFIG_ESPNOW_ENABLE_LONG_RANGE
     ESP_ERROR_CHECK( esp_wifi_set_protocol(ESPNOW_WIFI_IF, WIFI_PROTOCOL_11B|WIFI_PROTOCOL_11G|WIFI_PROTOCOL_11N|WIFI_PROTOCOL_LR) );