[U-Boot] Makefile: Fix linking with modern binutils

[Joel Stanley]

Hello Tom,

On Sat, Dec 10, 2016 at 12:53 AM, Tom Rini <trini at konsulko.com> wrote:
>> -LDFLAGS_u-boot += $(LDFLAGS_FINAL)
>> +# Avoid Not enough room for program headers on binutils 2.28 onwards.
>> +# Flag was introduced in 2.26
>> +LDFLAGS_u-boot += $(LDFLAGS_FINAL) \
>> +     $(call ld-ifversion, -ge, 22600000, --no-dynamic-linker)
>
> This breaks on things like:
> $ arm-none-eabi-ld --version
> GNU ld (GNU Tools for ARM Embedded Processors) 2.24.0.20150921

The flag will only be added when the version is >= 2.26. Which part of
that version string will break the test?

> so please use ld-option instead to add this when supported, thanks!

If you'd just prefer ld-option over ld-ifversion then I can send a
different patch.

Cheers,

Joel