[coreboot] ARM Trusted Firmware build issue

[Stefan Reinauer]

* Martin Roth <gaumless at gmail.com> [160713 16:57]:
> We can't roll the entire toolchain back to binutils 2.25 because of
> the RISC-V work.  Is it reasonable to roll back to binutils 2.25 for
> just the ARM toolchain builds?

No, that is not feasible. The cross toolchain builder has seen a fair
amount of bloat already in the last couple of months. Let's fix this in
ARM TF.

Stefan