[Buildroot] binutils doesn't like -elf2flt option

[Adam Nielsen]

> Ah, right, elf2flt isn't a real package, so it fails.
>
> Can you push your current Buildroot code on some Git repository so that
> we can have a look? I looked at your configuration, and I really don't
> see what could be pulling the target binutils into the build.

Sure, you can get it from here:

https://github.com/Malvineous/buildroot-openipcam

Make sure to use the 'nuc700' branch.  Many thanks for taking a look!

Cheers,
Adam.