Merge branch 'buffix/fix_wap_free_data_error_v3.0' into 'release/v3.0'

Fix WPA free data error

See merge request sdk/ESP8266_RTOS_SDK!457

Author: donghengqaz

components/esp8266/lib/VERSION

@@ -4,5 +4,5 @@ gwen:
     net80211:   ac9e664
     pp:         830c0c8
     smartconfig:68bd9c5
-    wpa:        f59f0e0
+    wpa:        e28c056
     phy:	1055_8