esp_wifi: fix fragment plt loss and update header file

1. fix(pp): fix fragment plt loss when 2td pn compare with 1th pn
2. pmf allow keyindex in big endian format to workaround faulty APs
3. docs: update miswritten and abbreviated words and syntax errors for initialize WiFi section in esp_wifi.h header file
4. allow for minimal scope of wifi_init_config_t

components/esp_rom/esp8684/ld/esp8684.rom.ld

@@ -1708,7 +1708,7 @@ ppRecycleAmpdu = 0x40001adc;
 ppRecycleRxPkt = 0x40001ae0;
 ppResortTxAMPDU = 0x40001ae4;
 ppResumeTxAMPDU = 0x40001ae8;
-ppRxFragmentProc = 0x40001aec;
+/* ppRxFragmentProc = 0x40001aec; */
 ppRxPkt = 0x40001af0;
 ppRxProtoProc = 0x40001af4;
 ppSearchTxQueue = 0x40001af8;