[Buildroot] [PATCH 1/1] configs: add defconfig for Nationalchip gx6605s dev board.

[ren_guo]

Thx Thomas,

> I've removed this entirely, and just changed the readme.txt
> instructions to tell people to run:
>
>    ./output/host/usr/bin/csky-linux-gdb -x board/csky/gx6605s/gdbinit output/images/vmlinux
>
> By referencing the gdbinit file using the -x option, we don't have to
> copy it around in an hidden file.
>
"gdb -x" is great, I like it :)

Now I'm preparing more for this board, and it's a big encouragement for me.
Thanks for your careful reviewing.

Best Regards
guoren