Merge branch 'feature/add_wifi_send_plcp_v3.3' into 'release/v3.3'

feat(wifi): Add Wi-Fi send PLCP function (backport v3.3)

See merge request sdk/ESP8266_RTOS_SDK!1407

Author: donghengqaz

components/esp8266/include/internal/esp_wifi_internal.h

@@ -191,6 +191,17 @@ void esp_wifi_set_pm_recv_multi_data(bool enable);
   */
 bool esp_wifi_get_pm_recv_multi_data(void);
 
+/**
+  * @brief     Enable/Disable Wi-Fi send PLCP (with long option)
+  *
+  * @param     enable         Enable or Disable this option
+  * @param     tx_with_long   Send with long PLCP or not
+  * 
+  * @return
+  *    None
+  */
+void esp_wifi_set_11b_tx_plcp(bool enable, bool tx_with_long);
+
 #ifdef __cplusplus
 }
 #endif

components/esp8266/lib/VERSION

@@ -1,7 +1,7 @@
 gwen:
     core:       f4de8f12
     net80211:   f4de8f12
-    pp:         7743eff5
+    pp:         a93d26d
     wpa:        7743eff5
     espnow:     7743eff5
     wps:        7743eff5