Merge branch 'bugfix/fix_setup_rate_table_crash' into 'master'

Fix setup rate table crash

See merge request sdk/ESP8266_RTOS_SDK!686

Author: donghengqaz

components/esp8266/lib/VERSION

@@ -1,6 +1,6 @@
 gwen:
     core:       19730cd
-    net80211:   0ba3c60
+    net80211:   0f9461d
     pp:         8ec2d94
     wpa:        4e2372f
     espnow:     eeb16c6