[U-Boot] [U-Boot, v2] boards.cfg: move many unmaintained boards to Orphan

[Sinan Akman]

   Hi Masahiro

Masahiro Yamada wrote:
> Hi Sinan,
> 
> 
>>>> [...]
>>>>  +Orphan  powerpc     mpc83xx        -           freescale 
>> mpc837xerdb         MPC837XERDB
>>
>>    I have this board and I would very much like that it'll continue to
>> be maintained. I just tested the ToT and it seems other than some minor
>> warnings and request to use generic-board it is not in a bad shape.
>>
>>    I can continue testing at each release and after there are related
>> patches. Would that help to have this board to be unorphaned ?
> 
> Thanks for offering to test this board.
> Are you willing to be a maintainer of this board?

   Sure I'd be bappy if I could. I don't know what it takes
exactly and not sure if I would qualify.

   If I don't, I can also help perhaps to another e300 maintainer
to extend his/her maintainership to this board.

   Either way, I'd be happy to help.

   Regards

   Sinan Akman