Merge branch 'bugfix/fix_scan_error_when_set_channel_14' into 'master'

fix(lib): fix scan error when set channel 14

See merge request sdk/ESP8266_RTOS_SDK!691

Author: donghengqaz

components/esp8266/lib/VERSION

@@ -1,6 +1,6 @@
 gwen:
     core:       176661b
-    net80211:   0f9461d
+    net80211:   16e1df2
     pp:         957ad08
     wpa:        4e2372f
     espnow:     eeb16c6