[Buildroot] root passwd asked for reset every ssh login

[daggs]

Greetings Zoltan,

> Dear Dagg,
> 
> 
> you are using openssh in your image, right? The problem probably comes
> from the system time not properly set or not kept by an RTC on your
> target platform, which messes up openssh's file timestamp handling. In
> my experience in such a scenario (target system without RTC), it's
> easier to use dropbear as SSH server implementation, as it handles this
> differently. (Assuming of course that you don't need any specific
> feature of the OpenSSH implementation)
> 
> 
> Regards,
> 
> Zoltan Gyarmati

you are right, my arm board does not have any rtc, thanks for the help, I'll use dropbear.

Dagg.