XLTF7267-BHA+: Document how to change the PLOAM password

[nanomad]

Also fix the version string command

[simonebortolin]

please also fix

In Italy, if you are under some Huawei OLT it’s mandatory to use 0xA3, while on Alcatel 0xB4, otherwise you will get O5 status but no MIBs - Note that this can be quirk of TIM Italy

adding ` to hex values

[nanomad]

please also fix

In Italy, if you are under some Huawei OLT it’s mandatory to use 0xA3, while on Alcatel 0xB4, otherwise you will get O5 status but no MIBs - Note that this can be quirk of TIM Italy

adding ` to hex values

Removed since this guidance has no place in the general stick section and it is more of a "compatibility with a specific kind of ISP OLT". Also, even with the updated OMCC version the PPTP profile requires a manual hack to be working properly