add eap225

content/docs/Hardware/tp-link-eap225/_index.md

+- https://openwrt.org/toh/tp-link/eap225
+- https://www.tp-link.com/de/support/download/eap225-outdoor/v1/#Firmware
+- 
+- 
+- ## Flash Firmware
+    - Connect to Wifi the device opens
+    - open webinterface von http://tplinkeap.net/ (admin:admin)
+    - Upgrade the firmware to version v5.0.3, which fixes a bug that may cause the EAP to reboot abnormally during firmware upgrading and cause the device to brick
+    - Enable the SSH-Server via the web interface
+    - ssh into the target device and run `cliclientd stopcs`
+    - upload the factory image via the web interface
+    - connect via ethernet open 192.168.1.1 and see freifunk config mode